Finding the Fourth Proportional to 9,801.42, 13,525.98 and 5,325.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,801.42 : 13,525.98 = 5,325.18 : x
2. Step 2: Convert to fraction form
   9,801.42/13,525.98 = 5,325.18/x
3. Step 3: Cross multiply
   9,801.42x = 13,525.98 × 5,325.18
4. Step 4: Simplify right side
   9,801.42x = 72,028,251.55
5. Step 5: Solve for x
   x = 72,028,251.55/9,801.42
6. Step 6: Final answer
   x = 7,348.76