Finding the Fourth Proportional to 89,131.02, 133,606.43 and 55,874.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,131.02 : 133,606.43 = 55,874.42 : x
2. Step 2: Convert to fraction form
   89,131.02/133,606.43 = 55,874.42/x
3. Step 3: Cross multiply
   89,131.02x = 133,606.43 × 55,874.42
4. Step 4: Simplify right side
   89,131.02x = 7,465,181,784.52
5. Step 5: Solve for x
   x = 7,465,181,784.52/89,131.02
6. Step 6: Final answer
   x = 83,755.15