Finding the Fourth Proportional to 8,012.06, 12,007.63 and 5,798.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,012.06 : 12,007.63 = 5,798.34 : x
2. Step 2: Convert to fraction form
   8,012.06/12,007.63 = 5,798.34/x
3. Step 3: Cross multiply
   8,012.06x = 12,007.63 × 5,798.34
4. Step 4: Simplify right side
   8,012.06x = 69,624,292.34
5. Step 5: Solve for x
   x = 69,624,292.34/8,012.06
6. Step 6: Final answer
   x = 8,689.94