Finding the Fourth Proportional to 82,230.63, 123,348.90 and 42,238.83

Step by Step Solution

1. Step 1: Write the proportion equation
   82,230.63 : 123,348.90 = 42,238.83 : x
2. Step 2: Convert to fraction form
   82,230.63/123,348.90 = 42,238.83/x
3. Step 3: Cross multiply
   82,230.63x = 123,348.90 × 42,238.83
4. Step 4: Simplify right side
   82,230.63x = 5,210,113,217.79
5. Step 5: Solve for x
   x = 5,210,113,217.79/82,230.63
6. Step 6: Final answer
   x = 63,359.76