Finding the Fourth Proportional to 42,003.39, 63,031.47 and 17,043.55

Step by Step Solution

1. Step 1: Write the proportion equation
   42,003.39 : 63,031.47 = 17,043.55 : x
2. Step 2: Convert to fraction form
   42,003.39/63,031.47 = 17,043.55/x
3. Step 3: Cross multiply
   42,003.39x = 63,031.47 × 17,043.55
4. Step 4: Simplify right side
   42,003.39x = 1,074,279,789.03
5. Step 5: Solve for x
   x = 1,074,279,789.03/42,003.39
6. Step 6: Final answer
   x = 25,576.02