Finding the Fourth Proportional to 127,025.28, 190,470.48 and 42,757.32

Step by Step Solution

1. Step 1: Write the proportion equation
   127,025.28 : 190,470.48 = 42,757.32 : x
2. Step 2: Convert to fraction form
   127,025.28/190,470.48 = 42,757.32/x
3. Step 3: Cross multiply
   127,025.28x = 190,470.48 × 42,757.32
4. Step 4: Simplify right side
   127,025.28x = 8,144,007,263.91
5. Step 5: Solve for x
   x = 8,144,007,263.91/127,025.28
6. Step 6: Final answer
   x = 64,113.28