Finding the Fourth Proportional to 81,596.24, 122,295.95 and 42,131.83

Step by Step Solution

1. Step 1: Write the proportion equation
   81,596.24 : 122,295.95 = 42,131.83 : x
2. Step 2: Convert to fraction form
   81,596.24/122,295.95 = 42,131.83/x
3. Step 3: Cross multiply
   81,596.24x = 122,295.95 × 42,131.83
4. Step 4: Simplify right side
   81,596.24x = 5,152,551,352.95
5. Step 5: Solve for x
   x = 5,152,551,352.95/81,596.24
6. Step 6: Final answer
   x = 63,146.92