Finding the Fourth Proportional to 1,349.19, 1,861.68 and 759.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,349.19 : 1,861.68 = 759.63 : x
2. Step 2: Convert to fraction form
   1,349.19/1,861.68 = 759.63/x
3. Step 3: Cross multiply
   1,349.19x = 1,861.68 × 759.63
4. Step 4: Simplify right side
   1,349.19x = 1,414,187.98
5. Step 5: Solve for x
   x = 1,414,187.98/1,349.19
6. Step 6: Final answer
   x = 1,048.18