Finding the Fourth Proportional to 1,341.72, 1,851.62 and 752.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.72 : 1,851.62 = 752.31 : x
2. Step 2: Convert to fraction form
   1,341.72/1,851.62 = 752.31/x
3. Step 3: Cross multiply
   1,341.72x = 1,851.62 × 752.31
4. Step 4: Simplify right side
   1,341.72x = 1,392,988.48
5. Step 5: Solve for x
   x = 1,392,988.48/1,341.72
6. Step 6: Final answer
   x = 1,038.21