Finding the Fourth Proportional to 1,338.76, 1,847.59 and 749.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.76 : 1,847.59 = 749.42 : x
2. Step 2: Convert to fraction form
   1,338.76/1,847.59 = 749.42/x
3. Step 3: Cross multiply
   1,338.76x = 1,847.59 × 749.42
4. Step 4: Simplify right side
   1,338.76x = 1,384,611.66
5. Step 5: Solve for x
   x = 1,384,611.66/1,338.76
6. Step 6: Final answer
   x = 1,034.25