Finding the Fourth Proportional to 1,789.56, 2,683.32 and 911.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.56 : 2,683.32 = 911.52 : x
2. Step 2: Convert to fraction form
   1,789.56/2,683.32 = 911.52/x
3. Step 3: Cross multiply
   1,789.56x = 2,683.32 × 911.52
4. Step 4: Simplify right side
   1,789.56x = 2,445,899.85
5. Step 5: Solve for x
   x = 2,445,899.85/1,789.56
6. Step 6: Final answer
   x = 1,366.76