Finding the Fourth Proportional to 7,372.89, 10,173.42 and 4,228.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,372.89 : 10,173.42 = 4,228.47 : x
2. Step 2: Convert to fraction form
   7,372.89/10,173.42 = 4,228.47/x
3. Step 3: Cross multiply
   7,372.89x = 10,173.42 × 4,228.47
4. Step 4: Simplify right side
   7,372.89x = 43,018,001.27
5. Step 5: Solve for x
   x = 43,018,001.27/7,372.89
6. Step 6: Final answer
   x = 5,834.62