Finding the Fourth Proportional to 16,123.64, 24,174.82 and 7,787.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,123.64 : 24,174.82 = 7,787.16 : x
2. Step 2: Convert to fraction form
   16,123.64/24,174.82 = 7,787.16/x
3. Step 3: Cross multiply
   16,123.64x = 24,174.82 × 7,787.16
4. Step 4: Simplify right side
   16,123.64x = 188,253,191.31
5. Step 5: Solve for x
   x = 188,253,191.31/16,123.64
6. Step 6: Final answer
   x = 11,675.60