Finding the Fourth Proportional to 9,801.80, 13,526.25 and 5,325.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,801.80 : 13,526.25 = 5,325.45 : x
2. Step 2: Convert to fraction form
   9,801.80/13,526.25 = 5,325.45/x
3. Step 3: Cross multiply
   9,801.80x = 13,526.25 × 5,325.45
4. Step 4: Simplify right side
   9,801.80x = 72,033,368.06
5. Step 5: Solve for x
   x = 72,033,368.06/9,801.80
6. Step 6: Final answer
   x = 7,348.99