Finding the Fourth Proportional to 100,719,184,061.72, 138,994,408,649.22 and 54,995,272,390.76

Step by Step Solution

1. Step 1: Write the proportion equation
   100,719,184,061.72 : 138,994,408,649.22 = 54,995,272,390.76 : x
2. Step 2: Convert to fraction form
   100,719,184,061.72/138,994,408,649.22 = 54,995,272,390.76/x
3. Step 3: Cross multiply
   100,719,184,061.72x = 138,994,408,649.22 × 54,995,272,390.76
4. Step 4: Simplify right side
   100,719,184,061.72x = 7,644,035,364,456,461,500,416
5. Step 5: Solve for x
   x = 7,644,035,364,456,461,500,416/100,719,184,061.72
6. Step 6: Final answer
   x = 75,894,532,264.80