Finding the Fourth Proportional to 1,337.88, 1,846.28 and 778.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.88 : 1,846.28 = 778.29 : x
2. Step 2: Convert to fraction form
   1,337.88/1,846.28 = 778.29/x
3. Step 3: Cross multiply
   1,337.88x = 1,846.28 × 778.29
4. Step 4: Simplify right side
   1,337.88x = 1,436,937.37
5. Step 5: Solve for x
   x = 1,436,937.37/1,337.88
6. Step 6: Final answer
   x = 1,074.04