Finding the Fourth Proportional to 1,566.96, 2,161.78 and 1,068.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.96 : 2,161.78 = 1,068.80 : x
2. Step 2: Convert to fraction form
   1,566.96/2,161.78 = 1,068.80/x
3. Step 3: Cross multiply
   1,566.96x = 2,161.78 × 1,068.80
4. Step 4: Simplify right side
   1,566.96x = 2,310,510.46
5. Step 5: Solve for x
   x = 2,310,510.46/1,566.96
6. Step 6: Final answer
   x = 1,474.52