Finding the Fourth Proportional to 89,066.88, 133,665.12 and 71,745.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,066.88 : 133,665.12 = 71,745.84 : x
2. Step 2: Convert to fraction form
   89,066.88/133,665.12 = 71,745.84/x
3. Step 3: Cross multiply
   89,066.88x = 133,665.12 × 71,745.84
4. Step 4: Simplify right side
   89,066.88x = 9,589,916,313.10
5. Step 5: Solve for x
   x = 9,589,916,313.10/89,066.88
6. Step 6: Final answer
   x = 107,670.96