Finding the Fourth Proportional to 31,579.07, 43,583.27 and 22,012.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,579.07 : 43,583.27 = 22,012.76 : x
2. Step 2: Convert to fraction form
   31,579.07/43,583.27 = 22,012.76/x
3. Step 3: Cross multiply
   31,579.07x = 43,583.27 × 22,012.76
4. Step 4: Simplify right side
   31,579.07x = 959,388,061.42
5. Step 5: Solve for x
   x = 959,388,061.42/31,579.07
6. Step 6: Final answer
   x = 30,380.51