Finding the Fourth Proportional to 81,445.50, 112,401.27 and 47,917.98

Step by Step Solution

1. Step 1: Write the proportion equation
   81,445.50 : 112,401.27 = 47,917.98 : x
2. Step 2: Convert to fraction form
   81,445.50/112,401.27 = 47,917.98/x
3. Step 3: Cross multiply
   81,445.50x = 112,401.27 × 47,917.98
4. Step 4: Simplify right side
   81,445.50x = 5,386,041,807.83
5. Step 5: Solve for x
   x = 5,386,041,807.83/81,445.50
6. Step 6: Final answer
   x = 66,130.62