Finding the Fourth Proportional to 42,466.50, 63,689.76 and 17,481.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,466.50 : 63,689.76 = 17,481.78 : x
2. Step 2: Convert to fraction form
   42,466.50/63,689.76 = 17,481.78/x
3. Step 3: Cross multiply
   42,466.50x = 63,689.76 × 17,481.78
4. Step 4: Simplify right side
   42,466.50x = 1,113,410,372.57
5. Step 5: Solve for x
   x = 1,113,410,372.57/42,466.50
6. Step 6: Final answer
   x = 26,218.56