Finding the Fourth Proportional to 99,404.89, 137,177.24 and 54,081.84

Step by Step Solution

1. Step 1: Write the proportion equation
   99,404.89 : 137,177.24 = 54,081.84 : x
2. Step 2: Convert to fraction form
   99,404.89/137,177.24 = 54,081.84/x
3. Step 3: Cross multiply
   99,404.89x = 137,177.24 × 54,081.84
4. Step 4: Simplify right side
   99,404.89x = 7,418,797,545.32
5. Step 5: Solve for x
   x = 7,418,797,545.32/99,404.89
6. Step 6: Final answer
   x = 74,632.12