Finding the Fourth Proportional to 99,338.43, 137,085.10 and 54,016.02

Step by Step Solution

1. Step 1: Write the proportion equation
   99,338.43 : 137,085.10 = 54,016.02 : x
2. Step 2: Convert to fraction form
   99,338.43/137,085.10 = 54,016.02/x
3. Step 3: Cross multiply
   99,338.43x = 137,085.10 × 54,016.02
4. Step 4: Simplify right side
   99,338.43x = 7,404,791,503.30
5. Step 5: Solve for x
   x = 7,404,791,503.30/99,338.43
6. Step 6: Final answer
   x = 74,541.06