Finding the Fourth Proportional to 16,430.78, 22,674.93 and 10,057.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,430.78 : 22,674.93 = 10,057.25 : x
2. Step 2: Convert to fraction form
   16,430.78/22,674.93 = 10,057.25/x
3. Step 3: Cross multiply
   16,430.78x = 22,674.93 × 10,057.25
4. Step 4: Simplify right side
   16,430.78x = 228,047,326.37
5. Step 5: Solve for x
   x = 228,047,326.37/16,430.78
6. Step 6: Final answer
   x = 13,879.28