Finding the Fourth Proportional to 9,011.73, 13,523.94 and 3,168.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,011.73 : 13,523.94 = 3,168.81 : x
2. Step 2: Convert to fraction form
   9,011.73/13,523.94 = 3,168.81/x
3. Step 3: Cross multiply
   9,011.73x = 13,523.94 × 3,168.81
4. Step 4: Simplify right side
   9,011.73x = 42,854,796.31
5. Step 5: Solve for x
   x = 42,854,796.31/9,011.73
6. Step 6: Final answer
   x = 4,755.45