Finding the Fourth Proportional to 8,310.86, 12,452.55 and 7,453.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,310.86 : 12,452.55 = 7,453.34 : x
2. Step 2: Convert to fraction form
   8,310.86/12,452.55 = 7,453.34/x
3. Step 3: Cross multiply
   8,310.86x = 12,452.55 × 7,453.34
4. Step 4: Simplify right side
   8,310.86x = 92,813,089.02
5. Step 5: Solve for x
   x = 92,813,089.02/8,310.86
6. Step 6: Final answer
   x = 11,167.69