Finding the Fourth Proportional to 2,515.39, 3,471.38 and 1,631.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.39 : 3,471.38 = 1,631.95 : x
2. Step 2: Convert to fraction form
   2,515.39/3,471.38 = 1,631.95/x
3. Step 3: Cross multiply
   2,515.39x = 3,471.38 × 1,631.95
4. Step 4: Simplify right side
   2,515.39x = 5,665,118.59
5. Step 5: Solve for x
   x = 5,665,118.59/2,515.39
6. Step 6: Final answer
   x = 2,252.18