Finding the Fourth Proportional to 85,932.61, 118,644.81 and 65,753.41

Step by Step Solution

1. Step 1: Write the proportion equation
   85,932.61 : 118,644.81 = 65,753.41 : x
2. Step 2: Convert to fraction form
   85,932.61/118,644.81 = 65,753.41/x
3. Step 3: Cross multiply
   85,932.61x = 118,644.81 × 65,753.41
4. Step 4: Simplify right side
   85,932.61x = 7,801,300,836.30
5. Step 5: Solve for x
   x = 7,801,300,836.30/85,932.61
6. Step 6: Final answer
   x = 90,783.94