Finding the Fourth Proportional to 10,980.88, 16,457.52 and 7,844.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.88 : 16,457.52 = 7,844.56 : x
2. Step 2: Convert to fraction form
   10,980.88/16,457.52 = 7,844.56/x
3. Step 3: Cross multiply
   10,980.88x = 16,457.52 × 7,844.56
4. Step 4: Simplify right side
   10,980.88x = 129,102,003.09
5. Step 5: Solve for x
   x = 129,102,003.09/10,980.88
6. Step 6: Final answer
   x = 11,756.98