Finding the Fourth Proportional to 1,013.25, 1,397.81 and 593.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013.25 : 1,397.81 = 593.34 : x
2. Step 2: Convert to fraction form
   1,013.25/1,397.81 = 593.34/x
3. Step 3: Cross multiply
   1,013.25x = 1,397.81 × 593.34
4. Step 4: Simplify right side
   1,013.25x = 829,376.59
5. Step 5: Solve for x
   x = 829,376.59/1,013.25
6. Step 6: Final answer
   x = 818.53