Finding the Fourth Proportional to 1,802.47, 2,695.47 and 1,310.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.47 : 2,695.47 = 1,310.53 : x
2. Step 2: Convert to fraction form
   1,802.47/2,695.47 = 1,310.53/x
3. Step 3: Cross multiply
   1,802.47x = 2,695.47 × 1,310.53
4. Step 4: Simplify right side
   1,802.47x = 3,532,494.30
5. Step 5: Solve for x
   x = 3,532,494.30/1,802.47
6. Step 6: Final answer
   x = 1,959.81