Finding the Fourth Proportional to 22,616, 31,210.24 and 13,784

Step by Step Solution

1. Step 1: Write the proportion equation
   22,616 : 31,210.24 = 13,784 : x
2. Step 2: Convert to fraction form
   22,616/31,210.24 = 13,784/x
3. Step 3: Cross multiply
   22,616x = 31,210.24 × 13,784
4. Step 4: Simplify right side
   22,616x = 430,201,948.16
5. Step 5: Solve for x
   x = 430,201,948.16/22,616
6. Step 6: Final answer
   x = 19,022.02