Finding the Fourth Proportional to 9,802.63, 13,527.88 and 5,326.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,802.63 : 13,527.88 = 5,326.64 : x
2. Step 2: Convert to fraction form
   9,802.63/13,527.88 = 5,326.64/x
3. Step 3: Cross multiply
   9,802.63x = 13,527.88 × 5,326.64
4. Step 4: Simplify right side
   9,802.63x = 72,058,146.72
5. Step 5: Solve for x
   x = 72,058,146.72/9,802.63
6. Step 6: Final answer
   x = 7,350.90