Finding the Fourth Proportional to 72,090,705, 99,483,117.59 and 42,320,874.36

Step by Step Solution

1. Step 1: Write the proportion equation
   72,090,705 : 99,483,117.59 = 42,320,874.36 : x
2. Step 2: Convert to fraction form
   72,090,705/99,483,117.59 = 42,320,874.36/x
3. Step 3: Cross multiply
   72,090,705x = 99,483,117.59 × 42,320,874.36
4. Step 4: Simplify right side
   72,090,705x = 4,210,212,520,255,891.50
5. Step 5: Solve for x
   x = 4,210,212,520,255,891.50/72,090,705
6. Step 6: Final answer
   x = 58,401,600.04