Finding the Fourth Proportional to 31,032.56, 42,824.94 and 16,885.46

Step by Step Solution

1. Step 1: Write the proportion equation
   31,032.56 : 42,824.94 = 16,885.46 : x
2. Step 2: Convert to fraction form
   31,032.56/42,824.94 = 16,885.46/x
3. Step 3: Cross multiply
   31,032.56x = 42,824.94 × 16,885.46
4. Step 4: Simplify right side
   31,032.56x = 723,118,811.37
5. Step 5: Solve for x
   x = 723,118,811.37/31,032.56
6. Step 6: Final answer
   x = 23,301.94