Finding the Fourth Proportional to 9,853.43, 13,597.47 and 5,377.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853.43 : 13,597.47 = 5,377.23 : x
2. Step 2: Convert to fraction form
   9,853.43/13,597.47 = 5,377.23/x
3. Step 3: Cross multiply
   9,853.43x = 13,597.47 × 5,377.23
4. Step 4: Simplify right side
   9,853.43x = 73,116,723.61
5. Step 5: Solve for x
   x = 73,116,723.61/9,853.43
6. Step 6: Final answer
   x = 7,420.44