Finding the Fourth Proportional to 99,383.49, 137,151.72 and 54,064.02

Step by Step Solution

1. Step 1: Write the proportion equation
   99,383.49 : 137,151.72 = 54,064.02 : x
2. Step 2: Convert to fraction form
   99,383.49/137,151.72 = 54,064.02/x
3. Step 3: Cross multiply
   99,383.49x = 137,151.72 × 54,064.02
4. Step 4: Simplify right side
   99,383.49x = 7,414,973,333.11
5. Step 5: Solve for x
   x = 7,414,973,333.11/99,383.49
6. Step 6: Final answer
   x = 74,609.71