Finding the Fourth Proportional to 2,359.48, 3,538.82 and 715.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.48 : 3,538.82 = 715.63 : x
2. Step 2: Convert to fraction form
   2,359.48/3,538.82 = 715.63/x
3. Step 3: Cross multiply
   2,359.48x = 3,538.82 × 715.63
4. Step 4: Simplify right side
   2,359.48x = 2,532,485.76
5. Step 5: Solve for x
   x = 2,532,485.76/2,359.48
6. Step 6: Final answer
   x = 1,073.32