Finding the Fourth Proportional to 89,548.80, 134,323.80 and 42,659.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,548.80 : 134,323.80 = 42,659.52 : x
2. Step 2: Convert to fraction form
   89,548.80/134,323.80 = 42,659.52/x
3. Step 3: Cross multiply
   89,548.80x = 134,323.80 × 42,659.52
4. Step 4: Simplify right side
   89,548.80x = 5,730,188,832.58
5. Step 5: Solve for x
   x = 5,730,188,832.58/89,548.80
6. Step 6: Final answer
   x = 63,989.57