Finding the Fourth Proportional to 8,066.58, 12,030.92 and 7,085.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,066.58 : 12,030.92 = 7,085.87 : x
2. Step 2: Convert to fraction form
   8,066.58/12,030.92 = 7,085.87/x
3. Step 3: Cross multiply
   8,066.58x = 12,030.92 × 7,085.87
4. Step 4: Simplify right side
   8,066.58x = 85,249,439.52
5. Step 5: Solve for x
   x = 85,249,439.52/8,066.58
6. Step 6: Final answer
   x = 10,568.23