Finding the Fourth Proportional to 124,665,019.88, 172,034,426.82 and 69,661,328.36

Step by Step Solution

1. Step 1: Write the proportion equation
   124,665,019.88 : 172,034,426.82 = 69,661,328.36 : x
2. Step 2: Convert to fraction form
   124,665,019.88/172,034,426.82 = 69,661,328.36/x
3. Step 3: Cross multiply
   124,665,019.88x = 172,034,426.82 × 69,661,328.36
4. Step 4: Simplify right side
   124,665,019.88x = 11,984,146,695,932,410
5. Step 5: Solve for x
   x = 11,984,146,695,932,410/124,665,019.88
6. Step 6: Final answer
   x = 96,130,788.79