Finding the Fourth Proportional to 31,245.89, 43,074.48 and 22,277.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,245.89 : 43,074.48 = 22,277.83 : x
2. Step 2: Convert to fraction form
   31,245.89/43,074.48 = 22,277.83/x
3. Step 3: Cross multiply
   31,245.89x = 43,074.48 × 22,277.83
4. Step 4: Simplify right side
   31,245.89x = 959,605,784.27
5. Step 5: Solve for x
   x = 959,605,784.27/31,245.89
6. Step 6: Final answer
   x = 30,711.42