Finding the Fourth Proportional to 42,103.78, 63,124.07 and 25,460.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,103.78 : 63,124.07 = 25,460.40 : x
2. Step 2: Convert to fraction form
   42,103.78/63,124.07 = 25,460.40/x
3. Step 3: Cross multiply
   42,103.78x = 63,124.07 × 25,460.40
4. Step 4: Simplify right side
   42,103.78x = 1,607,164,071.83
5. Step 5: Solve for x
   x = 1,607,164,071.83/42,103.78
6. Step 6: Final answer
   x = 38,171.49