Finding the Fourth Proportional to 8,039.76, 12,055.08 and 3,354.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,039.76 : 12,055.08 = 3,354.72 : x
2. Step 2: Convert to fraction form
   8,039.76/12,055.08 = 3,354.72/x
3. Step 3: Cross multiply
   8,039.76x = 12,055.08 × 3,354.72
4. Step 4: Simplify right side
   8,039.76x = 40,441,417.98
5. Step 5: Solve for x
   x = 40,441,417.98/8,039.76
6. Step 6: Final answer
   x = 5,030.18