Finding the Fourth Proportional to 42,238.52, 63,231.55 and 25,548.07

Step by Step Solution

1. Step 1: Write the proportion equation
   42,238.52 : 63,231.55 = 25,548.07 : x
2. Step 2: Convert to fraction form
   42,238.52/63,231.55 = 25,548.07/x
3. Step 3: Cross multiply
   42,238.52x = 63,231.55 × 25,548.07
4. Step 4: Simplify right side
   42,238.52x = 1,615,444,065.61
5. Step 5: Solve for x
   x = 1,615,444,065.61/42,238.52
6. Step 6: Final answer
   x = 38,245.75