Finding the Fourth Proportional to 9,803.10, 13,528.41 and 5,326.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,803.10 : 13,528.41 = 5,326.94 : x
2. Step 2: Convert to fraction form
   9,803.10/13,528.41 = 5,326.94/x
3. Step 3: Cross multiply
   9,803.10x = 13,528.41 × 5,326.94
4. Step 4: Simplify right side
   9,803.10x = 72,064,960.72
5. Step 5: Solve for x
   x = 72,064,960.72/9,803.10
6. Step 6: Final answer
   x = 7,351.24