Finding the Fourth Proportional to 42,371.32, 63,577.71 and 17,069.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,371.32 : 63,577.71 = 17,069.78 : x
2. Step 2: Convert to fraction form
   42,371.32/63,577.71 = 17,069.78/x
3. Step 3: Cross multiply
   42,371.32x = 63,577.71 × 17,069.78
4. Step 4: Simplify right side
   42,371.32x = 1,085,257,502.74
5. Step 5: Solve for x
   x = 1,085,257,502.74/42,371.32
6. Step 6: Final answer
   x = 25,613.02