Finding the Fourth Proportional to 8,045.98, 12,072.81 and 2,854.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,045.98 : 12,072.81 = 2,854.30 : x
2. Step 2: Convert to fraction form
   8,045.98/12,072.81 = 2,854.30/x
3. Step 3: Cross multiply
   8,045.98x = 12,072.81 × 2,854.30
4. Step 4: Simplify right side
   8,045.98x = 34,459,421.58
5. Step 5: Solve for x
   x = 34,459,421.58/8,045.98
6. Step 6: Final answer
   x = 4,282.81