Finding the Fourth Proportional to 81,762.24, 112,832.34 and 47,772.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,762.24 : 112,832.34 = 47,772.72 : x
2. Step 2: Convert to fraction form
   81,762.24/112,832.34 = 47,772.72/x
3. Step 3: Cross multiply
   81,762.24x = 112,832.34 × 47,772.72
4. Step 4: Simplify right side
   81,762.24x = 5,390,307,785.76
5. Step 5: Solve for x
   x = 5,390,307,785.76/81,762.24
6. Step 6: Final answer
   x = 65,926.62