Finding the Fourth Proportional to 1,373.96, 1,883.72 and 1,349.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.96 : 1,883.72 = 1,349.40 : x
2. Step 2: Convert to fraction form
   1,373.96/1,883.72 = 1,349.40/x
3. Step 3: Cross multiply
   1,373.96x = 1,883.72 × 1,349.40
4. Step 4: Simplify right side
   1,373.96x = 2,541,891.77
5. Step 5: Solve for x
   x = 2,541,891.77/1,373.96
6. Step 6: Final answer
   x = 1,850.05