Finding the Fourth Proportional to 89,365.52, 123,256.08 and 60,707.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,365.52 : 123,256.08 = 60,707.28 : x
2. Step 2: Convert to fraction form
   89,365.52/123,256.08 = 60,707.28/x
3. Step 3: Cross multiply
   89,365.52x = 123,256.08 × 60,707.28
4. Step 4: Simplify right side
   89,365.52x = 7,482,541,360.26
5. Step 5: Solve for x
   x = 7,482,541,360.26/89,365.52
6. Step 6: Final answer
   x = 83,729.63