Finding the Fourth Proportional to 89,547.80, 134,322.30 and 42,658.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,547.80 : 134,322.30 = 42,658.52 : x
2. Step 2: Convert to fraction form
   89,547.80/134,322.30 = 42,658.52/x
3. Step 3: Cross multiply
   89,547.80x = 134,322.30 × 42,658.52
4. Step 4: Simplify right side
   89,547.80x = 5,729,989,849.38
5. Step 5: Solve for x
   x = 5,729,989,849.38/89,547.80
6. Step 6: Final answer
   x = 63,988.06