Finding the Fourth Proportional to 22,221.32, 33,333.76 and 7,430.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,221.32 : 33,333.76 = 7,430.32 : x
2. Step 2: Convert to fraction form
   22,221.32/33,333.76 = 7,430.32/x
3. Step 3: Cross multiply
   22,221.32x = 33,333.76 × 7,430.32
4. Step 4: Simplify right side
   22,221.32x = 247,680,401.69
5. Step 5: Solve for x
   x = 247,680,401.69/22,221.32
6. Step 6: Final answer
   x = 11,146.07