Finding the Fourth Proportional to 16,111.60, 24,157.68 and 7,225.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,111.60 : 24,157.68 = 7,225.31 : x
2. Step 2: Convert to fraction form
   16,111.60/24,157.68 = 7,225.31/x
3. Step 3: Cross multiply
   16,111.60x = 24,157.68 × 7,225.31
4. Step 4: Simplify right side
   16,111.60x = 174,546,760.18
5. Step 5: Solve for x
   x = 174,546,760.18/16,111.60
6. Step 6: Final answer
   x = 10,833.61