Finding the Fourth Proportional to 1,348.71, 1,861.02 and 759.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.71 : 1,861.02 = 759.21 : x
2. Step 2: Convert to fraction form
   1,348.71/1,861.02 = 759.21/x
3. Step 3: Cross multiply
   1,348.71x = 1,861.02 × 759.21
4. Step 4: Simplify right side
   1,348.71x = 1,412,904.99
5. Step 5: Solve for x
   x = 1,412,904.99/1,348.71
6. Step 6: Final answer
   x = 1,047.60