Finding the Fourth Proportional to 127,131.27, 175,442.18 and 70,543.59

Step by Step Solution

1. Step 1: Write the proportion equation
   127,131.27 : 175,442.18 = 70,543.59 : x
2. Step 2: Convert to fraction form
   127,131.27/175,442.18 = 70,543.59/x
3. Step 3: Cross multiply
   127,131.27x = 175,442.18 × 70,543.59
4. Step 4: Simplify right side
   127,131.27x = 12,376,321,214.63
5. Step 5: Solve for x
   x = 12,376,321,214.63/127,131.27
6. Step 6: Final answer
   x = 97,350.72