Finding the Fourth Proportional to 2,397.60, 3,595.68 and 1,242.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.60 : 3,595.68 = 1,242.72 : x
2. Step 2: Convert to fraction form
   2,397.60/3,595.68 = 1,242.72/x
3. Step 3: Cross multiply
   2,397.60x = 3,595.68 × 1,242.72
4. Step 4: Simplify right side
   2,397.60x = 4,468,423.45
5. Step 5: Solve for x
   x = 4,468,423.45/2,397.60
6. Step 6: Final answer
   x = 1,863.71