Finding the Fourth Proportional to 1,090.79, 1,505.33 and 593.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090.79 : 1,505.33 = 593.46 : x
2. Step 2: Convert to fraction form
   1,090.79/1,505.33 = 593.46/x
3. Step 3: Cross multiply
   1,090.79x = 1,505.33 × 593.46
4. Step 4: Simplify right side
   1,090.79x = 893,350.17
5. Step 5: Solve for x
   x = 893,350.17/1,090.79
6. Step 6: Final answer
   x = 819.00