Finding the Fourth Proportional to 30,925.14, 42,676.31 and 16,777.89

Step by Step Solution

1. Step 1: Write the proportion equation
   30,925.14 : 42,676.31 = 16,777.89 : x
2. Step 2: Convert to fraction form
   30,925.14/42,676.31 = 16,777.89/x
3. Step 3: Cross multiply
   30,925.14x = 42,676.31 × 16,777.89
4. Step 4: Simplify right side
   30,925.14x = 716,018,350.90
5. Step 5: Solve for x
   x = 716,018,350.90/30,925.14
6. Step 6: Final answer
   x = 23,153.28