Finding the Fourth Proportional to 2,348.16, 3,520.38 and 1,615.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,348.16 : 3,520.38 = 1,615.56 : x
2. Step 2: Convert to fraction form
   2,348.16/3,520.38 = 1,615.56/x
3. Step 3: Cross multiply
   2,348.16x = 3,520.38 × 1,615.56
4. Step 4: Simplify right side
   2,348.16x = 5,687,385.11
5. Step 5: Solve for x
   x = 5,687,385.11/2,348.16
6. Step 6: Final answer
   x = 2,422.06