Finding the Fourth Proportional to 1,807.92, 2,494.89 and 1,011.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.92 : 2,494.89 = 1,011.25 : x
2. Step 2: Convert to fraction form
   1,807.92/2,494.89 = 1,011.25/x
3. Step 3: Cross multiply
   1,807.92x = 2,494.89 × 1,011.25
4. Step 4: Simplify right side
   1,807.92x = 2,522,957.51
5. Step 5: Solve for x
   x = 2,522,957.51/1,807.92
6. Step 6: Final answer
   x = 1,395.50