Finding the Fourth Proportional to 11,677.50, 16,112.52 and 7,901.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,677.50 : 16,112.52 = 7,901.28 : x
2. Step 2: Convert to fraction form
   11,677.50/16,112.52 = 7,901.28/x
3. Step 3: Cross multiply
   11,677.50x = 16,112.52 × 7,901.28
4. Step 4: Simplify right side
   11,677.50x = 127,309,532.03
5. Step 5: Solve for x
   x = 127,309,532.03/11,677.50
6. Step 6: Final answer
   x = 10,902.12