Finding the Fourth Proportional to 9,818.35, 13,549.49 and 5,342.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,818.35 : 13,549.49 = 5,342.29 : x
2. Step 2: Convert to fraction form
   9,818.35/13,549.49 = 5,342.29/x
3. Step 3: Cross multiply
   9,818.35x = 13,549.49 × 5,342.29
4. Step 4: Simplify right side
   9,818.35x = 72,385,278.22
5. Step 5: Solve for x
   x = 72,385,278.22/9,818.35
6. Step 6: Final answer
   x = 7,372.45