Finding the Fourth Proportional to 7,361.39, 10,162.47 and 5,679.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,361.39 : 10,162.47 = 5,679.02 : x
2. Step 2: Convert to fraction form
   7,361.39/10,162.47 = 5,679.02/x
3. Step 3: Cross multiply
   7,361.39x = 10,162.47 × 5,679.02
4. Step 4: Simplify right side
   7,361.39x = 57,712,840.86
5. Step 5: Solve for x
   x = 57,712,840.86/7,361.39
6. Step 6: Final answer
   x = 7,839.94