Finding the Fourth Proportional to 11,947.56, 16,495.01 and 7,700.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,947.56 : 16,495.01 = 7,700.12 : x
2. Step 2: Convert to fraction form
   11,947.56/16,495.01 = 7,700.12/x
3. Step 3: Cross multiply
   11,947.56x = 16,495.01 × 7,700.12
4. Step 4: Simplify right side
   11,947.56x = 127,013,556.40
5. Step 5: Solve for x
   x = 127,013,556.40/11,947.56
6. Step 6: Final answer
   x = 10,630.92