Finding the Fourth Proportional to 8,830.89, 12,186.96 and 5,293.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,830.89 : 12,186.96 = 5,293.42 : x
2. Step 2: Convert to fraction form
   8,830.89/12,186.96 = 5,293.42/x
3. Step 3: Cross multiply
   8,830.89x = 12,186.96 × 5,293.42
4. Step 4: Simplify right side
   8,830.89x = 64,510,647.49
5. Step 5: Solve for x
   x = 64,510,647.49/8,830.89
6. Step 6: Final answer
   x = 7,305.11