Finding the Fourth Proportional to 1,547.44, 2,323.23 and 1,317.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,547.44 : 2,323.23 = 1,317.82 : x
2. Step 2: Convert to fraction form
   1,547.44/2,323.23 = 1,317.82/x
3. Step 3: Cross multiply
   1,547.44x = 2,323.23 × 1,317.82
4. Step 4: Simplify right side
   1,547.44x = 3,061,598.96
5. Step 5: Solve for x
   x = 3,061,598.96/1,547.44
6. Step 6: Final answer
   x = 1,978.49