Finding the Fourth Proportional to 159,061.28, 238,591.96 and 74,759.54

Step by Step Solution

1. Step 1: Write the proportion equation
   159,061.28 : 238,591.96 = 74,759.54 : x
2. Step 2: Convert to fraction form
   159,061.28/238,591.96 = 74,759.54/x
3. Step 3: Cross multiply
   159,061.28x = 238,591.96 × 74,759.54
4. Step 4: Simplify right side
   159,061.28x = 17,837,025,177.30
5. Step 5: Solve for x
   x = 17,837,025,177.30/159,061.28
6. Step 6: Final answer
   x = 112,139.33