Finding the Fourth Proportional to 2,030.66, 3,025.76 and 1,812.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.66 : 3,025.76 = 1,812.57 : x
2. Step 2: Convert to fraction form
   2,030.66/3,025.76 = 1,812.57/x
3. Step 3: Cross multiply
   2,030.66x = 3,025.76 × 1,812.57
4. Step 4: Simplify right side
   2,030.66x = 5,484,401.80
5. Step 5: Solve for x
   x = 5,484,401.80/2,030.66
6. Step 6: Final answer
   x = 2,700.80