Finding the Fourth Proportional to 22,422.31, 33,634.99 and 7,429.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,422.31 : 33,634.99 = 7,429.39 : x
2. Step 2: Convert to fraction form
   22,422.31/33,634.99 = 7,429.39/x
3. Step 3: Cross multiply
   22,422.31x = 33,634.99 × 7,429.39
4. Step 4: Simplify right side
   22,422.31x = 249,887,481.83
5. Step 5: Solve for x
   x = 249,887,481.83/22,422.31
6. Step 6: Final answer
   x = 11,144.59