Finding the Fourth Proportional to 8,086.82, 12,130.10 and 3,642.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,086.82 : 12,130.10 = 3,642.02 : x
2. Step 2: Convert to fraction form
   8,086.82/12,130.10 = 3,642.02/x
3. Step 3: Cross multiply
   8,086.82x = 12,130.10 × 3,642.02
4. Step 4: Simplify right side
   8,086.82x = 44,178,001.60
5. Step 5: Solve for x
   x = 44,178,001.60/8,086.82
6. Step 6: Final answer
   x = 5,462.96