Finding the Fourth Proportional to 31,902.72, 43,980.10 and 22,441.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,902.72 : 43,980.10 = 22,441.92 : x
2. Step 2: Convert to fraction form
   31,902.72/43,980.10 = 22,441.92/x
3. Step 3: Cross multiply
   31,902.72x = 43,980.10 × 22,441.92
4. Step 4: Simplify right side
   31,902.72x = 986,997,885.79
5. Step 5: Solve for x
   x = 986,997,885.79/31,902.72
6. Step 6: Final answer
   x = 30,937.73