Finding the Fourth Proportional to 1,695.09, 2,339.20 and 1,031.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,695.09 : 2,339.20 = 1,031.48 : x
2. Step 2: Convert to fraction form
   1,695.09/2,339.20 = 1,031.48/x
3. Step 3: Cross multiply
   1,695.09x = 2,339.20 × 1,031.48
4. Step 4: Simplify right side
   1,695.09x = 2,412,826.32
5. Step 5: Solve for x
   x = 2,412,826.32/1,695.09
6. Step 6: Final answer
   x = 1,423.42