Finding the Fourth Proportional to 2,517.86, 3,472.94 and 1,521.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517.86 : 3,472.94 = 1,521.42 : x
2. Step 2: Convert to fraction form
   2,517.86/3,472.94 = 1,521.42/x
3. Step 3: Cross multiply
   2,517.86x = 3,472.94 × 1,521.42
4. Step 4: Simplify right side
   2,517.86x = 5,283,800.37
5. Step 5: Solve for x
   x = 5,283,800.37/2,517.86
6. Step 6: Final answer
   x = 2,098.53