Finding the Fourth Proportional to 127,635.39, 191,453.13 and 57,432.69

Step by Step Solution

1. Step 1: Write the proportion equation
   127,635.39 : 191,453.13 = 57,432.69 : x
2. Step 2: Convert to fraction form
   127,635.39/191,453.13 = 57,432.69/x
3. Step 3: Cross multiply
   127,635.39x = 191,453.13 × 57,432.69
4. Step 4: Simplify right side
   127,635.39x = 10,995,668,264.82
5. Step 5: Solve for x
   x = 10,995,668,264.82/127,635.39
6. Step 6: Final answer
   x = 86,149.06