Finding the Fourth Proportional to 8,072.90, 12,109.69 and 2,526.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,072.90 : 12,109.69 = 2,526.35 : x
2. Step 2: Convert to fraction form
   8,072.90/12,109.69 = 2,526.35/x
3. Step 3: Cross multiply
   8,072.90x = 12,109.69 × 2,526.35
4. Step 4: Simplify right side
   8,072.90x = 30,593,302.70
5. Step 5: Solve for x
   x = 30,593,302.70/8,072.90
6. Step 6: Final answer
   x = 3,789.63