Finding the Fourth Proportional to 65,036.86, 89,724.30 and 51,554

Step by Step Solution

1. Step 1: Write the proportion equation
   65,036.86 : 89,724.30 = 51,554 : x
2. Step 2: Convert to fraction form
   65,036.86/89,724.30 = 51,554/x
3. Step 3: Cross multiply
   65,036.86x = 89,724.30 × 51,554
4. Step 4: Simplify right side
   65,036.86x = 4,625,646,562.20
5. Step 5: Solve for x
   x = 4,625,646,562.20/65,036.86
6. Step 6: Final answer
   x = 71,123.46