Finding the Fourth Proportional to 9,801.56, 13,526.18 and 5,325.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,801.56 : 13,526.18 = 5,325.28 : x
2. Step 2: Convert to fraction form
   9,801.56/13,526.18 = 5,325.28/x
3. Step 3: Cross multiply
   9,801.56x = 13,526.18 × 5,325.28
4. Step 4: Simplify right side
   9,801.56x = 72,030,695.83
5. Step 5: Solve for x
   x = 72,030,695.83/9,801.56
6. Step 6: Final answer
   x = 7,348.90