Finding the Fourth Proportional to 42,016.32, 63,048.98 and 15,739.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,016.32 : 63,048.98 = 15,739.52 : x
2. Step 2: Convert to fraction form
   42,016.32/63,048.98 = 15,739.52/x
3. Step 3: Cross multiply
   42,016.32x = 63,048.98 × 15,739.52
4. Step 4: Simplify right side
   42,016.32x = 992,360,681.69
5. Step 5: Solve for x
   x = 992,360,681.69/42,016.32
6. Step 6: Final answer
   x = 23,618.46