Finding the Fourth Proportional to 2,612.31, 3,605.46 and 2,525.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.31 : 3,605.46 = 2,525.82 : x
2. Step 2: Convert to fraction form
   2,612.31/3,605.46 = 2,525.82/x
3. Step 3: Cross multiply
   2,612.31x = 3,605.46 × 2,525.82
4. Step 4: Simplify right side
   2,612.31x = 9,106,742.98
5. Step 5: Solve for x
   x = 9,106,742.98/2,612.31
6. Step 6: Final answer
   x = 3,486.09