Finding the Fourth Proportional to 22,434.77, 30,960.14 and 12,875.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,434.77 : 30,960.14 = 12,875.06 : x
2. Step 2: Convert to fraction form
   22,434.77/30,960.14 = 12,875.06/x
3. Step 3: Cross multiply
   22,434.77x = 30,960.14 × 12,875.06
4. Step 4: Simplify right side
   22,434.77x = 398,613,440.93
5. Step 5: Solve for x
   x = 398,613,440.93/22,434.77
6. Step 6: Final answer
   x = 17,767.67