Finding the Fourth Proportional to 233,034,929.89, 349,513,422.49 and 85,451,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   233,034,929.89 : 349,513,422.49 = 85,451,992.72 : x
2. Step 2: Convert to fraction form
   233,034,929.89/349,513,422.49 = 85,451,992.72/x
3. Step 3: Cross multiply
   233,034,929.89x = 349,513,422.49 × 85,451,992.72
4. Step 4: Simplify right side
   233,034,929.89x = 29,866,618,435,356,804
5. Step 5: Solve for x
   x = 29,866,618,435,356,804/233,034,929.89
6. Step 6: Final answer
   x = 128,163,698.24