Finding the Fourth Proportional to 11,493.89, 15,867.62 and 7,736.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,493.89 : 15,867.62 = 7,736.80 : x
2. Step 2: Convert to fraction form
   11,493.89/15,867.62 = 7,736.80/x
3. Step 3: Cross multiply
   11,493.89x = 15,867.62 × 7,736.80
4. Step 4: Simplify right side
   11,493.89x = 122,764,602.42
5. Step 5: Solve for x
   x = 122,764,602.42/11,493.89
6. Step 6: Final answer
   x = 10,680.86