Finding the Fourth Proportional to 72,128,026.06, 99,536,761.10 and 39,088,275.00

Step by Step Solution

1. Step 1: Write the proportion equation
   72,128,026.06 : 99,536,761.10 = 39,088,275.00 : x
2. Step 2: Convert to fraction form
   72,128,026.06/99,536,761.10 = 39,088,275.00/x
3. Step 3: Cross multiply
   72,128,026.06x = 99,536,761.10 × 39,088,275.00
4. Step 4: Simplify right side
   72,128,026.06x = 3,890,720,290,210,404.50
5. Step 5: Solve for x
   x = 3,890,720,290,210,404.50/72,128,026.06
6. Step 6: Final answer
   x = 53,941,865.64