Finding the Fourth Proportional to 11,493.59, 15,867.20 and 7,736.51

Step by Step Solution

1. Step 1: Write the proportion equation
   11,493.59 : 15,867.20 = 7,736.51 : x
2. Step 2: Convert to fraction form
   11,493.59/15,867.20 = 7,736.51/x
3. Step 3: Cross multiply
   11,493.59x = 15,867.20 × 7,736.51
4. Step 4: Simplify right side
   11,493.59x = 122,756,751.47
5. Step 5: Solve for x
   x = 122,756,751.47/11,493.59
6. Step 6: Final answer
   x = 10,680.45