Finding the Fourth Proportional to 1,166.06, 1,608.05 and 787.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,166.06 : 1,608.05 = 787.52 : x
2. Step 2: Convert to fraction form
   1,166.06/1,608.05 = 787.52/x
3. Step 3: Cross multiply
   1,166.06x = 1,608.05 × 787.52
4. Step 4: Simplify right side
   1,166.06x = 1,266,377.52
5. Step 5: Solve for x
   x = 1,266,377.52/1,166.06
6. Step 6: Final answer
   x = 1,086.03