Finding the Fourth Proportional to 2,042.77, 2,802.06 and 2,025.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.77 : 2,802.06 = 2,025.20 : x
2. Step 2: Convert to fraction form
   2,042.77/2,802.06 = 2,025.20/x
3. Step 3: Cross multiply
   2,042.77x = 2,802.06 × 2,025.20
4. Step 4: Simplify right side
   2,042.77x = 5,674,731.91
5. Step 5: Solve for x
   x = 5,674,731.91/2,042.77
6. Step 6: Final answer
   x = 2,777.96