Finding the Fourth Proportional to 1,807.83, 2,494.78 and 1,011.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.83 : 2,494.78 = 1,011.17 : x
2. Step 2: Convert to fraction form
   1,807.83/2,494.78 = 1,011.17/x
3. Step 3: Cross multiply
   1,807.83x = 2,494.78 × 1,011.17
4. Step 4: Simplify right side
   1,807.83x = 2,522,650.40
5. Step 5: Solve for x
   x = 2,522,650.40/1,807.83
6. Step 6: Final answer
   x = 1,395.40