Finding the Fourth Proportional to 2,515.60, 3,470.82 and 1,583.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.60 : 3,470.82 = 1,583.56 : x
2. Step 2: Convert to fraction form
   2,515.60/3,470.82 = 1,583.56/x
3. Step 3: Cross multiply
   2,515.60x = 3,470.82 × 1,583.56
4. Step 4: Simplify right side
   2,515.60x = 5,496,251.72
5. Step 5: Solve for x
   x = 5,496,251.72/2,515.60
6. Step 6: Final answer
   x = 2,184.87