Finding the Fourth Proportional to 1,766.61, 2,650.32 and 889.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.61 : 2,650.32 = 889.52 : x
2. Step 2: Convert to fraction form
   1,766.61/2,650.32 = 889.52/x
3. Step 3: Cross multiply
   1,766.61x = 2,650.32 × 889.52
4. Step 4: Simplify right side
   1,766.61x = 2,357,499.39
5. Step 5: Solve for x
   x = 2,357,499.39/1,766.61
6. Step 6: Final answer
   x = 1,334.48