Finding the Fourth Proportional to 3,907.39, 5,860.42 and 1,715.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907.39 : 5,860.42 = 1,715.53 : x
2. Step 2: Convert to fraction form
   3,907.39/5,860.42 = 1,715.53/x
3. Step 3: Cross multiply
   3,907.39x = 5,860.42 × 1,715.53
4. Step 4: Simplify right side
   3,907.39x = 10,053,726.32
5. Step 5: Solve for x
   x = 10,053,726.32/3,907.39
6. Step 6: Final answer
   x = 2,573.00