Finding the Fourth Proportional to 89,500.80, 134,097.60 and 42,652.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,500.80 : 134,097.60 = 42,652.80 : x
2. Step 2: Convert to fraction form
   89,500.80/134,097.60 = 42,652.80/x
3. Step 3: Cross multiply
   89,500.80x = 134,097.60 × 42,652.80
4. Step 4: Simplify right side
   89,500.80x = 5,719,638,113.28
5. Step 5: Solve for x
   x = 5,719,638,113.28/89,500.80
6. Step 6: Final answer
   x = 63,906.00