Finding the Fourth Proportional to 31,011.45, 42,796.23 and 23,236.49

Step by Step Solution

1. Step 1: Write the proportion equation
   31,011.45 : 42,796.23 = 23,236.49 : x
2. Step 2: Convert to fraction form
   31,011.45/42,796.23 = 23,236.49/x
3. Step 3: Cross multiply
   31,011.45x = 42,796.23 × 23,236.49
4. Step 4: Simplify right side
   31,011.45x = 994,434,170.43
5. Step 5: Solve for x
   x = 994,434,170.43/31,011.45
6. Step 6: Final answer
   x = 32,066.68