Finding the Fourth Proportional to 1,050.78, 1,568.22 and 1,026.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.78 : 1,568.22 = 1,026.18 : x
2. Step 2: Convert to fraction form
   1,050.78/1,568.22 = 1,026.18/x
3. Step 3: Cross multiply
   1,050.78x = 1,568.22 × 1,026.18
4. Step 4: Simplify right side
   1,050.78x = 1,609,276.00
5. Step 5: Solve for x
   x = 1,609,276.00/1,050.78
6. Step 6: Final answer
   x = 1,531.51