Finding the Fourth Proportional to 8,345.52, 12,519.77 and 2,800.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,345.52 : 12,519.77 = 2,800.67 : x
2. Step 2: Convert to fraction form
   8,345.52/12,519.77 = 2,800.67/x
3. Step 3: Cross multiply
   8,345.52x = 12,519.77 × 2,800.67
4. Step 4: Simplify right side
   8,345.52x = 35,063,667.64
5. Step 5: Solve for x
   x = 35,063,667.64/8,345.52
6. Step 6: Final answer
   x = 4,201.50