Finding the Fourth Proportional to 10,712.76, 14,775.30 and 8,188.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,712.76 : 14,775.30 = 8,188.53 : x
2. Step 2: Convert to fraction form
   10,712.76/14,775.30 = 8,188.53/x
3. Step 3: Cross multiply
   10,712.76x = 14,775.30 × 8,188.53
4. Step 4: Simplify right side
   10,712.76x = 120,987,987.31
5. Step 5: Solve for x
   x = 120,987,987.31/10,712.76
6. Step 6: Final answer
   x = 11,293.82