Finding the Fourth Proportional to 1,061.66, 1,585.42 and 1,050.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.66 : 1,585.42 = 1,050.22 : x
2. Step 2: Convert to fraction form
   1,061.66/1,585.42 = 1,050.22/x
3. Step 3: Cross multiply
   1,061.66x = 1,585.42 × 1,050.22
4. Step 4: Simplify right side
   1,061.66x = 1,665,039.79
5. Step 5: Solve for x
   x = 1,665,039.79/1,061.66
6. Step 6: Final answer
   x = 1,568.34