Finding the Fourth Proportional to 7,349.89, 10,142.67 and 4,205.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,349.89 : 10,142.67 = 4,205.89 : x
2. Step 2: Convert to fraction form
   7,349.89/10,142.67 = 4,205.89/x
3. Step 3: Cross multiply
   7,349.89x = 10,142.67 × 4,205.89
4. Step 4: Simplify right side
   7,349.89x = 42,658,954.33
5. Step 5: Solve for x
   x = 42,658,954.33/7,349.89
6. Step 6: Final answer
   x = 5,804.03