Finding the Fourth Proportional to 2,547.32, 3,513.12 and 1,662.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.32 : 3,513.12 = 1,662.80 : x
2. Step 2: Convert to fraction form
   2,547.32/3,513.12 = 1,662.80/x
3. Step 3: Cross multiply
   2,547.32x = 3,513.12 × 1,662.80
4. Step 4: Simplify right side
   2,547.32x = 5,841,615.94
5. Step 5: Solve for x
   x = 5,841,615.94/2,547.32
6. Step 6: Final answer
   x = 2,293.24