Finding the Fourth Proportional to 1,561.08, 2,347.38 and 1,443

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561.08 : 2,347.38 = 1,443 : x
2. Step 2: Convert to fraction form
   1,561.08/2,347.38 = 1,443/x
3. Step 3: Cross multiply
   1,561.08x = 2,347.38 × 1,443
4. Step 4: Simplify right side
   1,561.08x = 3,387,269.34
5. Step 5: Solve for x
   x = 3,387,269.34/1,561.08
6. Step 6: Final answer
   x = 2,169.82