Finding the Fourth Proportional to 16,123.60, 24,174.60 and 7,807.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,123.60 : 24,174.60 = 7,807.60 : x
2. Step 2: Convert to fraction form
   16,123.60/24,174.60 = 7,807.60/x
3. Step 3: Cross multiply
   16,123.60x = 24,174.60 × 7,807.60
4. Step 4: Simplify right side
   16,123.60x = 188,745,606.96
5. Step 5: Solve for x
   x = 188,745,606.96/16,123.60
6. Step 6: Final answer
   x = 11,706.17