Finding the Fourth Proportional to 2,479.59, 3,718.35 and 1,553.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.59 : 3,718.35 = 1,553.76 : x
2. Step 2: Convert to fraction form
   2,479.59/3,718.35 = 1,553.76/x
3. Step 3: Cross multiply
   2,479.59x = 3,718.35 × 1,553.76
4. Step 4: Simplify right side
   2,479.59x = 5,777,423.50
5. Step 5: Solve for x
   x = 5,777,423.50/2,479.59
6. Step 6: Final answer
   x = 2,329.99