Finding the Fourth Proportional to 42,715.26, 64,083.51 and 17,747.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,715.26 : 64,083.51 = 17,747.82 : x
2. Step 2: Convert to fraction form
   42,715.26/64,083.51 = 17,747.82/x
3. Step 3: Cross multiply
   42,715.26x = 64,083.51 × 17,747.82
4. Step 4: Simplify right side
   42,715.26x = 1,137,342,600.45
5. Step 5: Solve for x
   x = 1,137,342,600.45/42,715.26
6. Step 6: Final answer
   x = 26,626.14