Finding the Fourth Proportional to 42,398.85, 63,583.41 and 17,090.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,398.85 : 63,583.41 = 17,090.82 : x
2. Step 2: Convert to fraction form
   42,398.85/63,583.41 = 17,090.82/x
3. Step 3: Cross multiply
   42,398.85x = 63,583.41 × 17,090.82
4. Step 4: Simplify right side
   42,398.85x = 1,086,692,615.30
5. Step 5: Solve for x
   x = 1,086,692,615.30/42,398.85
6. Step 6: Final answer
   x = 25,630.24