Finding the Fourth Proportional to 89,585.36, 123,642.96 and 51,882.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,585.36 : 123,642.96 = 51,882.56 : x
2. Step 2: Convert to fraction form
   89,585.36/123,642.96 = 51,882.56/x
3. Step 3: Cross multiply
   89,585.36x = 123,642.96 × 51,882.56
4. Step 4: Simplify right side
   89,585.36x = 6,414,913,290.78
5. Step 5: Solve for x
   x = 6,414,913,290.78/89,585.36
6. Step 6: Final answer
   x = 71,606.71