Finding the Fourth Proportional to 83,863.55, 115,704.15 and 47,560.87

Step by Step Solution

1. Step 1: Write the proportion equation
   83,863.55 : 115,704.15 = 47,560.87 : x
2. Step 2: Convert to fraction form
   83,863.55/115,704.15 = 47,560.87/x
3. Step 3: Cross multiply
   83,863.55x = 115,704.15 × 47,560.87
4. Step 4: Simplify right side
   83,863.55x = 5,502,990,002.89
5. Step 5: Solve for x
   x = 5,502,990,002.89/83,863.55
6. Step 6: Final answer
   x = 65,618.37