Finding the Fourth Proportional to 31,236.24, 43,124.76 and 19,315.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,236.24 : 43,124.76 = 19,315.56 : x
2. Step 2: Convert to fraction form
   31,236.24/43,124.76 = 19,315.56/x
3. Step 3: Cross multiply
   31,236.24x = 43,124.76 × 19,315.56
4. Step 4: Simplify right side
   31,236.24x = 832,978,889.27
5. Step 5: Solve for x
   x = 832,978,889.27/31,236.24
6. Step 6: Final answer
   x = 26,667.07