Finding the Fourth Proportional to 1,382.76, 1,906.77 and 1,068.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.76 : 1,906.77 = 1,068.07 : x
2. Step 2: Convert to fraction form
   1,382.76/1,906.77 = 1,068.07/x
3. Step 3: Cross multiply
   1,382.76x = 1,906.77 × 1,068.07
4. Step 4: Simplify right side
   1,382.76x = 2,036,563.83
5. Step 5: Solve for x
   x = 2,036,563.83/1,382.76
6. Step 6: Final answer
   x = 1,472.83