Finding the Fourth Proportional to 1,348.72, 1,861.24 and 759.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.72 : 1,861.24 = 759.22 : x
2. Step 2: Convert to fraction form
   1,348.72/1,861.24 = 759.22/x
3. Step 3: Cross multiply
   1,348.72x = 1,861.24 × 759.22
4. Step 4: Simplify right side
   1,348.72x = 1,413,090.63
5. Step 5: Solve for x
   x = 1,413,090.63/1,348.72
6. Step 6: Final answer
   x = 1,047.73