Finding the Fourth Proportional to 22,142.74, 33,206.89 and 7,347.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,142.74 : 33,206.89 = 7,347.69 : x
2. Step 2: Convert to fraction form
   22,142.74/33,206.89 = 7,347.69/x
3. Step 3: Cross multiply
   22,142.74x = 33,206.89 × 7,347.69
4. Step 4: Simplify right side
   22,142.74x = 243,993,730.81
5. Step 5: Solve for x
   x = 243,993,730.81/22,142.74
6. Step 6: Final answer
   x = 11,019.13