Finding the Fourth Proportional to 109,114.56, 150,584.31 and 72,753.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,114.56 : 150,584.31 = 72,753.30 : x
2. Step 2: Convert to fraction form
   109,114.56/150,584.31 = 72,753.30/x
3. Step 3: Cross multiply
   109,114.56x = 150,584.31 × 72,753.30
4. Step 4: Simplify right side
   109,114.56x = 10,955,505,480.72
5. Step 5: Solve for x
   x = 10,955,505,480.72/109,114.56
6. Step 6: Final answer
   x = 100,403.70