Finding the Fourth Proportional to 9,818.67, 13,549.37 and 5,342.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,818.67 : 13,549.37 = 5,342.43 : x
2. Step 2: Convert to fraction form
   9,818.67/13,549.37 = 5,342.43/x
3. Step 3: Cross multiply
   9,818.67x = 13,549.37 × 5,342.43
4. Step 4: Simplify right side
   9,818.67x = 72,386,584.87
5. Step 5: Solve for x
   x = 72,386,584.87/9,818.67
6. Step 6: Final answer
   x = 7,372.34