Finding the Fourth Proportional to 2,312.16, 3,468.72 and 1,080.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,312.16 : 3,468.72 = 1,080.96 : x
2. Step 2: Convert to fraction form
   2,312.16/3,468.72 = 1,080.96/x
3. Step 3: Cross multiply
   2,312.16x = 3,468.72 × 1,080.96
4. Step 4: Simplify right side
   2,312.16x = 3,749,547.57
5. Step 5: Solve for x
   x = 3,749,547.57/2,312.16
6. Step 6: Final answer
   x = 1,621.66