Finding the Fourth Proportional to 42,028.76, 63,052.50 and 18,340.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,028.76 : 63,052.50 = 18,340.13 : x
2. Step 2: Convert to fraction form
   42,028.76/63,052.50 = 18,340.13/x
3. Step 3: Cross multiply
   42,028.76x = 63,052.50 × 18,340.13
4. Step 4: Simplify right side
   42,028.76x = 1,156,391,046.83
5. Step 5: Solve for x
   x = 1,156,391,046.83/42,028.76
6. Step 6: Final answer
   x = 27,514.28