Finding the Fourth Proportional to 16,072.20, 24,123.87 and 7,758.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,072.20 : 24,123.87 = 7,758.06 : x
2. Step 2: Convert to fraction form
   16,072.20/24,123.87 = 7,758.06/x
3. Step 3: Cross multiply
   16,072.20x = 24,123.87 × 7,758.06
4. Step 4: Simplify right side
   16,072.20x = 187,154,430.89
5. Step 5: Solve for x
   x = 187,154,430.89/16,072.20
6. Step 6: Final answer
   x = 11,644.61