Finding the Fourth Proportional to 22,222.45, 33,326.73 and 7,427.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,222.45 : 33,326.73 = 7,427.91 : x
2. Step 2: Convert to fraction form
   22,222.45/33,326.73 = 7,427.91/x
3. Step 3: Cross multiply
   22,222.45x = 33,326.73 × 7,427.91
4. Step 4: Simplify right side
   22,222.45x = 247,548,003.17
5. Step 5: Solve for x
   x = 247,548,003.17/22,222.45
6. Step 6: Final answer
   x = 11,139.54