Finding the Fourth Proportional to 2,516.30, 3,472.66 and 1,521.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.30 : 3,472.66 = 1,521.62 : x
2. Step 2: Convert to fraction form
   2,516.30/3,472.66 = 1,521.62/x
3. Step 3: Cross multiply
   2,516.30x = 3,472.66 × 1,521.62
4. Step 4: Simplify right side
   2,516.30x = 5,284,068.91
5. Step 5: Solve for x
   x = 5,284,068.91/2,516.30
6. Step 6: Final answer
   x = 2,099.94