Finding the Fourth Proportional to 82,281.15, 123,411.96 and 21,487.41

Step by Step Solution

1. Step 1: Write the proportion equation
   82,281.15 : 123,411.96 = 21,487.41 : x
2. Step 2: Convert to fraction form
   82,281.15/123,411.96 = 21,487.41/x
3. Step 3: Cross multiply
   82,281.15x = 123,411.96 × 21,487.41
4. Step 4: Simplify right side
   82,281.15x = 2,651,803,383.42
5. Step 5: Solve for x
   x = 2,651,803,383.42/82,281.15
6. Step 6: Final answer
   x = 32,228.56