Finding the Fourth Proportional to 1,326.06, 1,830.24 and 766.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,326.06 : 1,830.24 = 766.62 : x
2. Step 2: Convert to fraction form
   1,326.06/1,830.24 = 766.62/x
3. Step 3: Cross multiply
   1,326.06x = 1,830.24 × 766.62
4. Step 4: Simplify right side
   1,326.06x = 1,403,098.59
5. Step 5: Solve for x
   x = 1,403,098.59/1,326.06
6. Step 6: Final answer
   x = 1,058.10