Finding the Fourth Proportional to 8,336.37, 12,518.88 and 7,401.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,336.37 : 12,518.88 = 7,401.42 : x
2. Step 2: Convert to fraction form
   8,336.37/12,518.88 = 7,401.42/x
3. Step 3: Cross multiply
   8,336.37x = 12,518.88 × 7,401.42
4. Step 4: Simplify right side
   8,336.37x = 92,657,488.81
5. Step 5: Solve for x
   x = 92,657,488.81/8,336.37
6. Step 6: Final answer
   x = 11,114.85