Finding the Fourth Proportional to 123,418,773.72, 170,335,259.33 and 76,390,932.24

Step by Step Solution

1. Step 1: Write the proportion equation
   123,418,773.72 : 170,335,259.33 = 76,390,932.24 : x
2. Step 2: Convert to fraction form
   123,418,773.72/170,335,259.33 = 76,390,932.24/x
3. Step 3: Cross multiply
   123,418,773.72x = 170,335,259.33 × 76,390,932.24
4. Step 4: Simplify right side
   123,418,773.72x = 13,012,069,253,178,902
5. Step 5: Solve for x
   x = 13,012,069,253,178,902/123,418,773.72
6. Step 6: Final answer
   x = 105,430,226.38