Finding the Fourth Proportional to 127,100.88, 175,407.53 and 73,388.16

Step by Step Solution

1. Step 1: Write the proportion equation
   127,100.88 : 175,407.53 = 73,388.16 : x
2. Step 2: Convert to fraction form
   127,100.88/175,407.53 = 73,388.16/x
3. Step 3: Cross multiply
   127,100.88x = 175,407.53 × 73,388.16
4. Step 4: Simplify right side
   127,100.88x = 12,872,835,509.90
5. Step 5: Solve for x
   x = 12,872,835,509.90/127,100.88
6. Step 6: Final answer
   x = 101,280.46