Finding the Fourth Proportional to 10,611.88, 14,650.50 and 7,086.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,611.88 : 14,650.50 = 7,086.76 : x
2. Step 2: Convert to fraction form
   10,611.88/14,650.50 = 7,086.76/x
3. Step 3: Cross multiply
   10,611.88x = 14,650.50 × 7,086.76
4. Step 4: Simplify right side
   10,611.88x = 103,824,577.38
5. Step 5: Solve for x
   x = 103,824,577.38/10,611.88
6. Step 6: Final answer
   x = 9,783.81