Finding the Fourth Proportional to 1,039.02, 1,554.87 and 793.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.02 : 1,554.87 = 793.59 : x
2. Step 2: Convert to fraction form
   1,039.02/1,554.87 = 793.59/x
3. Step 3: Cross multiply
   1,039.02x = 1,554.87 × 793.59
4. Step 4: Simplify right side
   1,039.02x = 1,233,929.28
5. Step 5: Solve for x
   x = 1,233,929.28/1,039.02
6. Step 6: Final answer
   x = 1,187.59