Finding the Fourth Proportional to 43,016.24, 64,499.25 and 16,690.23

Step by Step Solution

1. Step 1: Write the proportion equation
   43,016.24 : 64,499.25 = 16,690.23 : x
2. Step 2: Convert to fraction form
   43,016.24/64,499.25 = 16,690.23/x
3. Step 3: Cross multiply
   43,016.24x = 64,499.25 × 16,690.23
4. Step 4: Simplify right side
   43,016.24x = 1,076,507,317.33
5. Step 5: Solve for x
   x = 1,076,507,317.33/43,016.24
6. Step 6: Final answer
   x = 25,025.60