Finding the Fourth Proportional to 9,804.31, 13,530.02 and 5,328.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,804.31 : 13,530.02 = 5,328.06 : x
2. Step 2: Convert to fraction form
   9,804.31/13,530.02 = 5,328.06/x
3. Step 3: Cross multiply
   9,804.31x = 13,530.02 × 5,328.06
4. Step 4: Simplify right side
   9,804.31x = 72,088,787.06
5. Step 5: Solve for x
   x = 72,088,787.06/9,804.31
6. Step 6: Final answer
   x = 7,352.77