Finding the Fourth Proportional to 7,379.52, 10,181.52 and 5,392.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,379.52 : 10,181.52 = 5,392.80 : x
2. Step 2: Convert to fraction form
   7,379.52/10,181.52 = 5,392.80/x
3. Step 3: Cross multiply
   7,379.52x = 10,181.52 × 5,392.80
4. Step 4: Simplify right side
   7,379.52x = 54,906,901.06
5. Step 5: Solve for x
   x = 54,906,901.06/7,379.52
6. Step 6: Final answer
   x = 7,440.44