Finding the Fourth Proportional to 9,801.75, 13,526.42 and 5,610.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,801.75 : 13,526.42 = 5,610.81 : x
2. Step 2: Convert to fraction form
   9,801.75/13,526.42 = 5,610.81/x
3. Step 3: Cross multiply
   9,801.75x = 13,526.42 × 5,610.81
4. Step 4: Simplify right side
   9,801.75x = 75,894,144.55
5. Step 5: Solve for x
   x = 75,894,144.55/9,801.75
6. Step 6: Final answer
   x = 7,742.92