Finding the Fourth Proportional to 30,925.54, 42,677.37 and 16,778.48

Step by Step Solution

1. Step 1: Write the proportion equation
   30,925.54 : 42,677.37 = 16,778.48 : x
2. Step 2: Convert to fraction form
   30,925.54/42,677.37 = 16,778.48/x
3. Step 3: Cross multiply
   30,925.54x = 42,677.37 × 16,778.48
4. Step 4: Simplify right side
   30,925.54x = 716,061,399.00
5. Step 5: Solve for x
   x = 716,061,399.00/30,925.54
6. Step 6: Final answer
   x = 23,154.37