Finding the Fourth Proportional to 2,273.61, 3,123.99 and 1,807.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,273.61 : 3,123.99 = 1,807.05 : x
2. Step 2: Convert to fraction form
   2,273.61/3,123.99 = 1,807.05/x
3. Step 3: Cross multiply
   2,273.61x = 3,123.99 × 1,807.05
4. Step 4: Simplify right side
   2,273.61x = 5,645,197.09
5. Step 5: Solve for x
   x = 5,645,197.09/2,273.61
6. Step 6: Final answer
   x = 2,482.92