Finding the Fourth Proportional to 3,687.15, 5,521.83 and 2,298.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687.15 : 5,521.83 = 2,298.75 : x
2. Step 2: Convert to fraction form
   3,687.15/5,521.83 = 2,298.75/x
3. Step 3: Cross multiply
   3,687.15x = 5,521.83 × 2,298.75
4. Step 4: Simplify right side
   3,687.15x = 12,693,306.71
5. Step 5: Solve for x
   x = 12,693,306.71/3,687.15
6. Step 6: Final answer
   x = 3,442.58