Finding the Fourth Proportional to 8,061.45, 12,092.10 and 4,387.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.45 : 12,092.10 = 4,387.03 : x
2. Step 2: Convert to fraction form
   8,061.45/12,092.10 = 4,387.03/x
3. Step 3: Cross multiply
   8,061.45x = 12,092.10 × 4,387.03
4. Step 4: Simplify right side
   8,061.45x = 53,048,358.78
5. Step 5: Solve for x
   x = 53,048,358.78/8,061.45
6. Step 6: Final answer
   x = 6,580.50