Finding the Fourth Proportional to 1,822.72, 2,515.48 and 1,026.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822.72 : 2,515.48 = 1,026.12 : x
2. Step 2: Convert to fraction form
   1,822.72/2,515.48 = 1,026.12/x
3. Step 3: Cross multiply
   1,822.72x = 2,515.48 × 1,026.12
4. Step 4: Simplify right side
   1,822.72x = 2,581,184.34
5. Step 5: Solve for x
   x = 2,581,184.34/1,822.72
6. Step 6: Final answer
   x = 1,416.12