Finding the Fourth Proportional to 88,048.61, 131,821.40 and 82,462.19

Step by Step Solution

1. Step 1: Write the proportion equation
   88,048.61 : 131,821.40 = 82,462.19 : x
2. Step 2: Convert to fraction form
   88,048.61/131,821.40 = 82,462.19/x
3. Step 3: Cross multiply
   88,048.61x = 131,821.40 × 82,462.19
4. Step 4: Simplify right side
   88,048.61x = 10,870,280,261.45
5. Step 5: Solve for x
   x = 10,870,280,261.45/88,048.61
6. Step 6: Final answer
   x = 123,457.72