Finding the Fourth Proportional to 2,526.85, 3,485.19 and 1,687.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.85 : 3,485.19 = 1,687.15 : x
2. Step 2: Convert to fraction form
   2,526.85/3,485.19 = 1,687.15/x
3. Step 3: Cross multiply
   2,526.85x = 3,485.19 × 1,687.15
4. Step 4: Simplify right side
   2,526.85x = 5,880,038.31
5. Step 5: Solve for x
   x = 5,880,038.31/2,526.85
6. Step 6: Final answer
   x = 2,327.02