Finding the Fourth Proportional to 22,875.12, 31,502.16 and 19,662.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,875.12 : 31,502.16 = 19,662.48 : x
2. Step 2: Convert to fraction form
   22,875.12/31,502.16 = 19,662.48/x
3. Step 3: Cross multiply
   22,875.12x = 31,502.16 × 19,662.48
4. Step 4: Simplify right side
   22,875.12x = 619,410,590.96
5. Step 5: Solve for x
   x = 619,410,590.96/22,875.12
6. Step 6: Final answer
   x = 27,077.92