Finding the Fourth Proportional to 99,336.62, 137,084.70 and 54,014.56

Step by Step Solution

1. Step 1: Write the proportion equation
   99,336.62 : 137,084.70 = 54,014.56 : x
2. Step 2: Convert to fraction form
   99,336.62/137,084.70 = 54,014.56/x
3. Step 3: Cross multiply
   99,336.62x = 137,084.70 × 54,014.56
4. Step 4: Simplify right side
   99,336.62x = 7,404,569,753.23
5. Step 5: Solve for x
   x = 7,404,569,753.23/99,336.62
6. Step 6: Final answer
   x = 74,540.18