Finding the Fourth Proportional to 19,401.81, 29,101.91 and 5,550.81

Step by Step Solution

1. Step 1: Write the proportion equation
   19,401.81 : 29,101.91 = 5,550.81 : x
2. Step 2: Convert to fraction form
   19,401.81/29,101.91 = 5,550.81/x
3. Step 3: Cross multiply
   19,401.81x = 29,101.91 × 5,550.81
4. Step 4: Simplify right side
   19,401.81x = 161,539,145.29
5. Step 5: Solve for x
   x = 161,539,145.29/19,401.81
6. Step 6: Final answer
   x = 8,325.98