Finding the Fourth Proportional to 42,393.35, 63,605.61 and 17,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,393.35 : 63,605.61 = 17,426.72 : x
2. Step 2: Convert to fraction form
   42,393.35/63,605.61 = 17,426.72/x
3. Step 3: Cross multiply
   42,393.35x = 63,605.61 × 17,426.72
4. Step 4: Simplify right side
   42,393.35x = 1,108,436,837.87
5. Step 5: Solve for x
   x = 1,108,436,837.87/42,393.35
6. Step 6: Final answer
   x = 26,146.48