Finding the Fourth Proportional to 2,535.32, 3,498.80 and 1,591.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.32 : 3,498.80 = 1,591.15 : x
2. Step 2: Convert to fraction form
   2,535.32/3,498.80 = 1,591.15/x
3. Step 3: Cross multiply
   2,535.32x = 3,498.80 × 1,591.15
4. Step 4: Simplify right side
   2,535.32x = 5,567,115.62
5. Step 5: Solve for x
   x = 5,567,115.62/2,535.32
6. Step 6: Final answer
   x = 2,195.82