Finding the Fourth Proportional to 2,555.72, 3,528.50 and 2,026.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.72 : 3,528.50 = 2,026.76 : x
2. Step 2: Convert to fraction form
   2,555.72/3,528.50 = 2,026.76/x
3. Step 3: Cross multiply
   2,555.72x = 3,528.50 × 2,026.76
4. Step 4: Simplify right side
   2,555.72x = 7,151,422.66
5. Step 5: Solve for x
   x = 7,151,422.66/2,555.72
6. Step 6: Final answer
   x = 2,798.20