Finding the Fourth Proportional to 127,429.12, 175,593.06 and 98,573.55

Step by Step Solution

1. Step 1: Write the proportion equation
   127,429.12 : 175,593.06 = 98,573.55 : x
2. Step 2: Convert to fraction form
   127,429.12/175,593.06 = 98,573.55/x
3. Step 3: Cross multiply
   127,429.12x = 175,593.06 × 98,573.55
4. Step 4: Simplify right side
   127,429.12x = 17,308,831,279.56
5. Step 5: Solve for x
   x = 17,308,831,279.56/127,429.12
6. Step 6: Final answer
   x = 135,831.05