Finding the Fourth Proportional to 42,081.15, 63,067.20 and 17,091.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,081.15 : 63,067.20 = 17,091.93 : x
2. Step 2: Convert to fraction form
   42,081.15/63,067.20 = 17,091.93/x
3. Step 3: Cross multiply
   42,081.15x = 63,067.20 × 17,091.93
4. Step 4: Simplify right side
   42,081.15x = 1,077,940,167.70
5. Step 5: Solve for x
   x = 1,077,940,167.70/42,081.15
6. Step 6: Final answer
   x = 25,615.75