Finding the Fourth Proportional to 42,188.31, 63,250.70 and 25,544.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,188.31 : 63,250.70 = 25,544.34 : x
2. Step 2: Convert to fraction form
   42,188.31/63,250.70 = 25,544.34/x
3. Step 3: Cross multiply
   42,188.31x = 63,250.70 × 25,544.34
4. Step 4: Simplify right side
   42,188.31x = 1,615,697,258.32
5. Step 5: Solve for x
   x = 1,615,697,258.32/42,188.31
6. Step 6: Final answer
   x = 38,297.27