Finding the Fourth Proportional to 89,646.59, 134,426.99 and 52,217.33

Step by Step Solution

1. Step 1: Write the proportion equation
   89,646.59 : 134,426.99 = 52,217.33 : x
2. Step 2: Convert to fraction form
   89,646.59/134,426.99 = 52,217.33/x
3. Step 3: Cross multiply
   89,646.59x = 134,426.99 × 52,217.33
4. Step 4: Simplify right side
   89,646.59x = 7,019,419,090.37
5. Step 5: Solve for x
   x = 7,019,419,090.37/89,646.59
6. Step 6: Final answer
   x = 78,301.02