Finding the Fourth Proportional to 2,045.34, 2,822.13 and 1,248.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.34 : 2,822.13 = 1,248.78 : x
2. Step 2: Convert to fraction form
   2,045.34/2,822.13 = 1,248.78/x
3. Step 3: Cross multiply
   2,045.34x = 2,822.13 × 1,248.78
4. Step 4: Simplify right side
   2,045.34x = 3,524,219.50
5. Step 5: Solve for x
   x = 3,524,219.50/2,045.34
6. Step 6: Final answer
   x = 1,723.05