Finding the Fourth Proportional to 2,315.98, 3,445.20 and 2,292.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.98 : 3,445.20 = 2,292.49 : x
2. Step 2: Convert to fraction form
   2,315.98/3,445.20 = 2,292.49/x
3. Step 3: Cross multiply
   2,315.98x = 3,445.20 × 2,292.49
4. Step 4: Simplify right side
   2,315.98x = 7,898,086.55
5. Step 5: Solve for x
   x = 7,898,086.55/2,315.98
6. Step 6: Final answer
   x = 3,410.26