Finding the Fourth Proportional to 2,365.91, 3,548.71 and 722.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,365.91 : 3,548.71 = 722.47 : x
2. Step 2: Convert to fraction form
   2,365.91/3,548.71 = 722.47/x
3. Step 3: Cross multiply
   2,365.91x = 3,548.71 × 722.47
4. Step 4: Simplify right side
   2,365.91x = 2,563,835.20
5. Step 5: Solve for x
   x = 2,563,835.20/2,365.91
6. Step 6: Final answer
   x = 1,083.66