Finding the Fourth Proportional to 11,379.56, 15,697.70 and 7,844.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,379.56 : 15,697.70 = 7,844.52 : x
2. Step 2: Convert to fraction form
   11,379.56/15,697.70 = 7,844.52/x
3. Step 3: Cross multiply
   11,379.56x = 15,697.70 × 7,844.52
4. Step 4: Simplify right side
   11,379.56x = 123,140,921.60
5. Step 5: Solve for x
   x = 123,140,921.60/11,379.56
6. Step 6: Final answer
   x = 10,821.24