Finding the Fourth Proportional to 9,061.77, 12,476.83 and 8,231.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.77 : 12,476.83 = 8,231.39 : x
2. Step 2: Convert to fraction form
   9,061.77/12,476.83 = 8,231.39/x
3. Step 3: Cross multiply
   9,061.77x = 12,476.83 × 8,231.39
4. Step 4: Simplify right side
   9,061.77x = 102,701,679.98
5. Step 5: Solve for x
   x = 102,701,679.98/9,061.77
6. Step 6: Final answer
   x = 11,333.51