Finding the Fourth Proportional to 2,359.74, 3,538.56 and 715.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.74 : 3,538.56 = 715.94 : x
2. Step 2: Convert to fraction form
   2,359.74/3,538.56 = 715.94/x
3. Step 3: Cross multiply
   2,359.74x = 3,538.56 × 715.94
4. Step 4: Simplify right side
   2,359.74x = 2,533,396.65
5. Step 5: Solve for x
   x = 2,533,396.65/2,359.74
6. Step 6: Final answer
   x = 1,073.59