Finding the Fourth Proportional to 1,338.93, 1,847.72 and 749.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.93 : 1,847.72 = 749.58 : x
2. Step 2: Convert to fraction form
   1,338.93/1,847.72 = 749.58/x
3. Step 3: Cross multiply
   1,338.93x = 1,847.72 × 749.58
4. Step 4: Simplify right side
   1,338.93x = 1,385,008.90
5. Step 5: Solve for x
   x = 1,385,008.90/1,338.93
6. Step 6: Final answer
   x = 1,034.41