Finding the Fourth Proportional to 89,629, 134,434.18 and 56,250.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,629 : 134,434.18 = 56,250.12 : x
2. Step 2: Convert to fraction form
   89,629/134,434.18 = 56,250.12/x
3. Step 3: Cross multiply
   89,629x = 134,434.18 × 56,250.12
4. Step 4: Simplify right side
   89,629x = 7,561,938,757.10
5. Step 5: Solve for x
   x = 7,561,938,757.10/89,629
6. Step 6: Final answer
   x = 84,369.33