Finding the Fourth Proportional to 22,783.60, 31,456.91 and 14,736.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,783.60 : 31,456.91 = 14,736.76 : x
2. Step 2: Convert to fraction form
   22,783.60/31,456.91 = 14,736.76/x
3. Step 3: Cross multiply
   22,783.60x = 31,456.91 × 14,736.76
4. Step 4: Simplify right side
   22,783.60x = 463,572,738.89
5. Step 5: Solve for x
   x = 463,572,738.89/22,783.60
6. Step 6: Final answer
   x = 20,346.78