Finding the Fourth Proportional to 2,209.17, 3,312.47 and 1,516.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.17 : 3,312.47 = 1,516.62 : x
2. Step 2: Convert to fraction form
   2,209.17/3,312.47 = 1,516.62/x
3. Step 3: Cross multiply
   2,209.17x = 3,312.47 × 1,516.62
4. Step 4: Simplify right side
   2,209.17x = 5,023,758.25
5. Step 5: Solve for x
   x = 5,023,758.25/2,209.17
6. Step 6: Final answer
   x = 2,274.05