Finding the Fourth Proportional to 16,100.86, 24,146.26 and 7,775.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,100.86 : 24,146.26 = 7,775.70 : x
2. Step 2: Convert to fraction form
   16,100.86/24,146.26 = 7,775.70/x
3. Step 3: Cross multiply
   16,100.86x = 24,146.26 × 7,775.70
4. Step 4: Simplify right side
   16,100.86x = 187,754,073.88
5. Step 5: Solve for x
   x = 187,754,073.88/16,100.86
6. Step 6: Final answer
   x = 11,661.12