Finding the Fourth Proportional to 8,065.15, 12,093.01 and 3,129.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,065.15 : 12,093.01 = 3,129.02 : x
2. Step 2: Convert to fraction form
   8,065.15/12,093.01 = 3,129.02/x
3. Step 3: Cross multiply
   8,065.15x = 12,093.01 × 3,129.02
4. Step 4: Simplify right side
   8,065.15x = 37,839,201.86
5. Step 5: Solve for x
   x = 37,839,201.86/8,065.15
6. Step 6: Final answer
   x = 4,691.69