Finding the Fourth Proportional to 1,398.74, 1,930.01 and 793.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398.74 : 1,930.01 = 793.09 : x
2. Step 2: Convert to fraction form
   1,398.74/1,930.01 = 793.09/x
3. Step 3: Cross multiply
   1,398.74x = 1,930.01 × 793.09
4. Step 4: Simplify right side
   1,398.74x = 1,530,665.17
5. Step 5: Solve for x
   x = 1,530,665.17/1,398.74
6. Step 6: Final answer
   x = 1,094.32