Finding the Fourth Proportional to 39,931.43, 55,105.76 and 22,026.48

Step by Step Solution

1. Step 1: Write the proportion equation
   39,931.43 : 55,105.76 = 22,026.48 : x
2. Step 2: Convert to fraction form
   39,931.43/55,105.76 = 22,026.48/x
3. Step 3: Cross multiply
   39,931.43x = 55,105.76 × 22,026.48
4. Step 4: Simplify right side
   39,931.43x = 1,213,785,810.39
5. Step 5: Solve for x
   x = 1,213,785,810.39/39,931.43
6. Step 6: Final answer
   x = 30,396.76