Finding the Fourth Proportional to 2,025.24, 2,776.59 and 1,988.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.24 : 2,776.59 = 1,988.34 : x
2. Step 2: Convert to fraction form
   2,025.24/2,776.59 = 1,988.34/x
3. Step 3: Cross multiply
   2,025.24x = 2,776.59 × 1,988.34
4. Step 4: Simplify right side
   2,025.24x = 5,520,804.96
5. Step 5: Solve for x
   x = 5,520,804.96/2,025.24
6. Step 6: Final answer
   x = 2,726.00