Finding the Fourth Proportional to 9,818.47, 13,549.56 and 5,342.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,818.47 : 13,549.56 = 5,342.26 : x
2. Step 2: Convert to fraction form
   9,818.47/13,549.56 = 5,342.26/x
3. Step 3: Cross multiply
   9,818.47x = 13,549.56 × 5,342.26
4. Step 4: Simplify right side
   9,818.47x = 72,385,272.41
5. Step 5: Solve for x
   x = 72,385,272.41/9,818.47
6. Step 6: Final answer
   x = 7,372.36