Finding the Fourth Proportional to 22,317.78, 33,473.76 and 12,962.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,317.78 : 33,473.76 = 12,962.82 : x
2. Step 2: Convert to fraction form
   22,317.78/33,473.76 = 12,962.82/x
3. Step 3: Cross multiply
   22,317.78x = 33,473.76 × 12,962.82
4. Step 4: Simplify right side
   22,317.78x = 433,914,325.60
5. Step 5: Solve for x
   x = 433,914,325.60/22,317.78
6. Step 6: Final answer
   x = 19,442.54