Finding the Fourth Proportional to 2,404.15, 3,599.70 and 1,247.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.15 : 3,599.70 = 1,247.47 : x
2. Step 2: Convert to fraction form
   2,404.15/3,599.70 = 1,247.47/x
3. Step 3: Cross multiply
   2,404.15x = 3,599.70 × 1,247.47
4. Step 4: Simplify right side
   2,404.15x = 4,490,499.76
5. Step 5: Solve for x
   x = 4,490,499.76/2,404.15
6. Step 6: Final answer
   x = 1,867.82