Finding the Fourth Proportional to 82,639.48, 123,890.22 and 38,298.04

Step by Step Solution

1. Step 1: Write the proportion equation
   82,639.48 : 123,890.22 = 38,298.04 : x
2. Step 2: Convert to fraction form
   82,639.48/123,890.22 = 38,298.04/x
3. Step 3: Cross multiply
   82,639.48x = 123,890.22 × 38,298.04
4. Step 4: Simplify right side
   82,639.48x = 4,744,752,601.17
5. Step 5: Solve for x
   x = 4,744,752,601.17/82,639.48
6. Step 6: Final answer
   x = 57,415.08