Finding the Fourth Proportional to 81,050.88, 111,863.18 and 47,516.88

Step by Step Solution

1. Step 1: Write the proportion equation
   81,050.88 : 111,863.18 = 47,516.88 : x
2. Step 2: Convert to fraction form
   81,050.88/111,863.18 = 47,516.88/x
3. Step 3: Cross multiply
   81,050.88x = 111,863.18 × 47,516.88
4. Step 4: Simplify right side
   81,050.88x = 5,315,389,300.48
5. Step 5: Solve for x
   x = 5,315,389,300.48/81,050.88
6. Step 6: Final answer
   x = 65,580.90