Finding the Fourth Proportional to 2,397.84, 3,597.72 and 1,165.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.84 : 3,597.72 = 1,165.12 : x
2. Step 2: Convert to fraction form
   2,397.84/3,597.72 = 1,165.12/x
3. Step 3: Cross multiply
   2,397.84x = 3,597.72 × 1,165.12
4. Step 4: Simplify right side
   2,397.84x = 4,191,762.16
5. Step 5: Solve for x
   x = 4,191,762.16/2,397.84
6. Step 6: Final answer
   x = 1,748.14