Finding the Fourth Proportional to 9,611.10, 14,380.12 and 5,863.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,611.10 : 14,380.12 = 5,863.89 : x
2. Step 2: Convert to fraction form
   9,611.10/14,380.12 = 5,863.89/x
3. Step 3: Cross multiply
   9,611.10x = 14,380.12 × 5,863.89
4. Step 4: Simplify right side
   9,611.10x = 84,323,513.43
5. Step 5: Solve for x
   x = 84,323,513.43/9,611.10
6. Step 6: Final answer
   x = 8,773.56