Finding the Fourth Proportional to 42,058.26, 63,078.12 and 17,091.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,058.26 : 63,078.12 = 17,091.72 : x
2. Step 2: Convert to fraction form
   42,058.26/63,078.12 = 17,091.72/x
3. Step 3: Cross multiply
   42,058.26x = 63,078.12 × 17,091.72
4. Step 4: Simplify right side
   42,058.26x = 1,078,113,565.17
5. Step 5: Solve for x
   x = 1,078,113,565.17/42,058.26
6. Step 6: Final answer
   x = 25,633.81