Finding the Fourth Proportional to 59,381.37, 81,938.67 and 47,312.46

Step by Step Solution

1. Step 1: Write the proportion equation
   59,381.37 : 81,938.67 = 47,312.46 : x
2. Step 2: Convert to fraction form
   59,381.37/81,938.67 = 47,312.46/x
3. Step 3: Cross multiply
   59,381.37x = 81,938.67 × 47,312.46
4. Step 4: Simplify right side
   59,381.37x = 3,876,720,046.83
5. Step 5: Solve for x
   x = 3,876,720,046.83/59,381.37
6. Step 6: Final answer
   x = 65,285.12