Finding the Fourth Proportional to 81,556.33, 122,292.98 and 31,650.74

Step by Step Solution

1. Step 1: Write the proportion equation
   81,556.33 : 122,292.98 = 31,650.74 : x
2. Step 2: Convert to fraction form
   81,556.33/122,292.98 = 31,650.74/x
3. Step 3: Cross multiply
   81,556.33x = 122,292.98 × 31,650.74
4. Step 4: Simplify right side
   81,556.33x = 3,870,663,155.55
5. Step 5: Solve for x
   x = 3,870,663,155.55/81,556.33
6. Step 6: Final answer
   x = 47,460.00