Finding the Fourth Proportional to 16,930.74, 25,400.18 and 5,243.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,930.74 : 25,400.18 = 5,243.96 : x
2. Step 2: Convert to fraction form
   16,930.74/25,400.18 = 5,243.96/x
3. Step 3: Cross multiply
   16,930.74x = 25,400.18 × 5,243.96
4. Step 4: Simplify right side
   16,930.74x = 133,197,374.69
5. Step 5: Solve for x
   x = 133,197,374.69/16,930.74
6. Step 6: Final answer
   x = 7,867.19