Finding the Fourth Proportional to 2,045.71, 2,822.22 and 1,259.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.71 : 2,822.22 = 1,259.30 : x
2. Step 2: Convert to fraction form
   2,045.71/2,822.22 = 1,259.30/x
3. Step 3: Cross multiply
   2,045.71x = 2,822.22 × 1,259.30
4. Step 4: Simplify right side
   2,045.71x = 3,554,009.28
5. Step 5: Solve for x
   x = 3,554,009.28/2,045.71
6. Step 6: Final answer
   x = 1,737.30