Finding the Fourth Proportional to 1,091.00, 1,505.59 and 593.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091.00 : 1,505.59 = 593.65 : x
2. Step 2: Convert to fraction form
   1,091.00/1,505.59 = 593.65/x
3. Step 3: Cross multiply
   1,091.00x = 1,505.59 × 593.65
4. Step 4: Simplify right side
   1,091.00x = 893,785.98
5. Step 5: Solve for x
   x = 893,785.98/1,091.00
6. Step 6: Final answer
   x = 819.24