Finding the Fourth Proportional to 8,526.90, 12,793.86 and 3,336.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,526.90 : 12,793.86 = 3,336.42 : x
2. Step 2: Convert to fraction form
   8,526.90/12,793.86 = 3,336.42/x
3. Step 3: Cross multiply
   8,526.90x = 12,793.86 × 3,336.42
4. Step 4: Simplify right side
   8,526.90x = 42,685,690.38
5. Step 5: Solve for x
   x = 42,685,690.38/8,526.90
6. Step 6: Final answer
   x = 5,006.00