Finding the Fourth Proportional to 8,331.86, 12,499.01 and 3,069.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,331.86 : 12,499.01 = 3,069.39 : x
2. Step 2: Convert to fraction form
   8,331.86/12,499.01 = 3,069.39/x
3. Step 3: Cross multiply
   8,331.86x = 12,499.01 × 3,069.39
4. Step 4: Simplify right side
   8,331.86x = 38,364,379.34
5. Step 5: Solve for x
   x = 38,364,379.34/8,331.86
6. Step 6: Final answer
   x = 4,604.54