Finding the Fourth Proportional to 31,815.77, 43,903.82 and 17,472.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,815.77 : 43,903.82 = 17,472.81 : x
2. Step 2: Convert to fraction form
   31,815.77/43,903.82 = 17,472.81/x
3. Step 3: Cross multiply
   31,815.77x = 43,903.82 × 17,472.81
4. Step 4: Simplify right side
   31,815.77x = 767,123,313.46
5. Step 5: Solve for x
   x = 767,123,313.46/31,815.77
6. Step 6: Final answer
   x = 24,111.42