Finding the Fourth Proportional to 63,320.31, 87,781.68 and 59,949.59

Step by Step Solution

1. Step 1: Write the proportion equation
   63,320.31 : 87,781.68 = 59,949.59 : x
2. Step 2: Convert to fraction form
   63,320.31/87,781.68 = 59,949.59/x
3. Step 3: Cross multiply
   63,320.31x = 87,781.68 × 59,949.59
4. Step 4: Simplify right side
   63,320.31x = 5,262,475,286.60
5. Step 5: Solve for x
   x = 5,262,475,286.60/63,320.31
6. Step 6: Final answer
   x = 83,108.80