Finding the Fourth Proportional to 1,091.52, 1,506.28 and 594.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091.52 : 1,506.28 = 594.15 : x
2. Step 2: Convert to fraction form
   1,091.52/1,506.28 = 594.15/x
3. Step 3: Cross multiply
   1,091.52x = 1,506.28 × 594.15
4. Step 4: Simplify right side
   1,091.52x = 894,956.21
5. Step 5: Solve for x
   x = 894,956.21/1,091.52
6. Step 6: Final answer
   x = 819.92