Finding the Fourth Proportional to 1,349.54, 1,861.53 and 1,034.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,349.54 : 1,861.53 = 1,034.30 : x
2. Step 2: Convert to fraction form
   1,349.54/1,861.53 = 1,034.30/x
3. Step 3: Cross multiply
   1,349.54x = 1,861.53 × 1,034.30
4. Step 4: Simplify right side
   1,349.54x = 1,925,380.48
5. Step 5: Solve for x
   x = 1,925,380.48/1,349.54
6. Step 6: Final answer
   x = 1,426.69