Finding the Fourth Proportional to 2,526.12, 3,487.73 and 2,259.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.12 : 3,487.73 = 2,259.72 : x
2. Step 2: Convert to fraction form
   2,526.12/3,487.73 = 2,259.72/x
3. Step 3: Cross multiply
   2,526.12x = 3,487.73 × 2,259.72
4. Step 4: Simplify right side
   2,526.12x = 7,881,281.94
5. Step 5: Solve for x
   x = 7,881,281.94/2,526.12
6. Step 6: Final answer
   x = 3,119.92