Finding the Fourth Proportional to 22,765, 31,385.73 and 19,906.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,765 : 31,385.73 = 19,906.51 : x
2. Step 2: Convert to fraction form
   22,765/31,385.73 = 19,906.51/x
3. Step 3: Cross multiply
   22,765x = 31,385.73 × 19,906.51
4. Step 4: Simplify right side
   22,765x = 624,780,348.10
5. Step 5: Solve for x
   x = 624,780,348.10/22,765
6. Step 6: Final answer
   x = 27,444.78