Finding the Fourth Proportional to 9,803.49, 13,528.46 and 5,327.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,803.49 : 13,528.46 = 5,327.15 : x
2. Step 2: Convert to fraction form
   9,803.49/13,528.46 = 5,327.15/x
3. Step 3: Cross multiply
   9,803.49x = 13,528.46 × 5,327.15
4. Step 4: Simplify right side
   9,803.49x = 72,068,085.41
5. Step 5: Solve for x
   x = 72,068,085.41/9,803.49
6. Step 6: Final answer
   x = 7,351.27