Finding the Fourth Proportional to 10,611.38, 14,649.81 and 7,086.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,611.38 : 14,649.81 = 7,086.26 : x
2. Step 2: Convert to fraction form
   10,611.38/14,649.81 = 7,086.26/x
3. Step 3: Cross multiply
   10,611.38x = 14,649.81 × 7,086.26
4. Step 4: Simplify right side
   10,611.38x = 103,812,362.61
5. Step 5: Solve for x
   x = 103,812,362.61/10,611.38
6. Step 6: Final answer
   x = 9,783.12