Finding the Fourth Proportional to 109,323,023.72, 150,767,994.72 and 90,708,638.08

Step by Step Solution

1. Step 1: Write the proportion equation
   109,323,023.72 : 150,767,994.72 = 90,708,638.08 : x
2. Step 2: Convert to fraction form
   109,323,023.72/150,767,994.72 = 90,708,638.08/x
3. Step 3: Cross multiply
   109,323,023.72x = 150,767,994.72 × 90,708,638.08
4. Step 4: Simplify right side
   109,323,023.72x = 13,675,959,467,103,830
5. Step 5: Solve for x
   x = 13,675,959,467,103,830/109,323,023.72
6. Step 6: Final answer
   x = 125,096,791.16