Finding the Fourth Proportional to 22,622.83, 31,219.54 and 12,551.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,622.83 : 31,219.54 = 12,551.27 : x
2. Step 2: Convert to fraction form
   22,622.83/31,219.54 = 12,551.27/x
3. Step 3: Cross multiply
   22,622.83x = 31,219.54 × 12,551.27
4. Step 4: Simplify right side
   22,622.83x = 391,844,875.82
5. Step 5: Solve for x
   x = 391,844,875.82/22,622.83
6. Step 6: Final answer
   x = 17,320.77