Finding the Fourth Proportional to 81,578.24, 112,576.10 and 45,767.42

Step by Step Solution

1. Step 1: Write the proportion equation
   81,578.24 : 112,576.10 = 45,767.42 : x
2. Step 2: Convert to fraction form
   81,578.24/112,576.10 = 45,767.42/x
3. Step 3: Cross multiply
   81,578.24x = 112,576.10 × 45,767.42
4. Step 4: Simplify right side
   81,578.24x = 5,152,317,650.66
5. Step 5: Solve for x
   x = 5,152,317,650.66/81,578.24
6. Step 6: Final answer
   x = 63,157.99