Finding the Fourth Proportional to 1,234.10, 1,840.74 and 1,049.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234.10 : 1,840.74 = 1,049.42 : x
2. Step 2: Convert to fraction form
   1,234.10/1,840.74 = 1,049.42/x
3. Step 3: Cross multiply
   1,234.10x = 1,840.74 × 1,049.42
4. Step 4: Simplify right side
   1,234.10x = 1,931,709.37
5. Step 5: Solve for x
   x = 1,931,709.37/1,234.10
6. Step 6: Final answer
   x = 1,565.28