Finding the Fourth Proportional to 42,340.15, 63,510.25 and 10,752.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,340.15 : 63,510.25 = 10,752.58 : x
2. Step 2: Convert to fraction form
   42,340.15/63,510.25 = 10,752.58/x
3. Step 3: Cross multiply
   42,340.15x = 63,510.25 × 10,752.58
4. Step 4: Simplify right side
   42,340.15x = 682,899,012.89
5. Step 5: Solve for x
   x = 682,899,012.89/42,340.15
6. Step 6: Final answer
   x = 16,128.88