Finding the Fourth Proportional to 22,223.33, 33,328.06 and 7,428.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,223.33 : 33,328.06 = 7,428.81 : x
2. Step 2: Convert to fraction form
   22,223.33/33,328.06 = 7,428.81/x
3. Step 3: Cross multiply
   22,223.33x = 33,328.06 × 7,428.81
4. Step 4: Simplify right side
   22,223.33x = 247,587,931.82
5. Step 5: Solve for x
   x = 247,587,931.82/22,223.33
6. Step 6: Final answer
   x = 11,140.90