Finding the Fourth Proportional to 55,371.38, 76,411.42 and 30,221.06

Step by Step Solution

1. Step 1: Write the proportion equation
   55,371.38 : 76,411.42 = 30,221.06 : x
2. Step 2: Convert to fraction form
   55,371.38/76,411.42 = 30,221.06/x
3. Step 3: Cross multiply
   55,371.38x = 76,411.42 × 30,221.06
4. Step 4: Simplify right side
   55,371.38x = 2,309,234,108.51
5. Step 5: Solve for x
   x = 2,309,234,108.51/55,371.38
6. Step 6: Final answer
   x = 41,704.47