Finding the Fourth Proportional to 99,784.52, 137,701.57 and 54,462.14

Step by Step Solution

1. Step 1: Write the proportion equation
   99,784.52 : 137,701.57 = 54,462.14 : x
2. Step 2: Convert to fraction form
   99,784.52/137,701.57 = 54,462.14/x
3. Step 3: Cross multiply
   99,784.52x = 137,701.57 × 54,462.14
4. Step 4: Simplify right side
   99,784.52x = 7,499,522,183.56
5. Step 5: Solve for x
   x = 7,499,522,183.56/99,784.52
6. Step 6: Final answer
   x = 75,157.17