Finding the Fourth Proportional to 81,758.87, 112,801.88 and 47,742.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,758.87 : 112,801.88 = 47,742.82 : x
2. Step 2: Convert to fraction form
   81,758.87/112,801.88 = 47,742.82/x
3. Step 3: Cross multiply
   81,758.87x = 112,801.88 × 47,742.82
4. Step 4: Simplify right side
   81,758.87x = 5,385,479,689.85
5. Step 5: Solve for x
   x = 5,385,479,689.85/81,758.87
6. Step 6: Final answer
   x = 65,870.28