Finding the Fourth Proportional to 42,213.71, 63,297.18 and 17,271.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,213.71 : 63,297.18 = 17,271.27 : x
2. Step 2: Convert to fraction form
   42,213.71/63,297.18 = 17,271.27/x
3. Step 3: Cross multiply
   42,213.71x = 63,297.18 × 17,271.27
4. Step 4: Simplify right side
   42,213.71x = 1,093,222,686.02
5. Step 5: Solve for x
   x = 1,093,222,686.02/42,213.71
6. Step 6: Final answer
   x = 25,897.34