Finding the Fourth Proportional to 42,039.54, 63,046.98 and 15,738.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,039.54 : 63,046.98 = 15,738.12 : x
2. Step 2: Convert to fraction form
   42,039.54/63,046.98 = 15,738.12/x
3. Step 3: Cross multiply
   42,039.54x = 63,046.98 × 15,738.12
4. Step 4: Simplify right side
   42,039.54x = 992,240,936.88
5. Step 5: Solve for x
   x = 992,240,936.88/42,039.54
6. Step 6: Final answer
   x = 23,602.56