Finding the Fourth Proportional to 1,003.59, 1,505.84 and 593.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.59 : 1,505.84 = 593.53 : x
2. Step 2: Convert to fraction form
   1,003.59/1,505.84 = 593.53/x
3. Step 3: Cross multiply
   1,003.59x = 1,505.84 × 593.53
4. Step 4: Simplify right side
   1,003.59x = 893,757.82
5. Step 5: Solve for x
   x = 893,757.82/1,003.59
6. Step 6: Final answer
   x = 890.56