Finding the Fourth Proportional to 8,003.05, 12,013.46 and 4,718.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,003.05 : 12,013.46 = 4,718.45 : x
2. Step 2: Convert to fraction form
   8,003.05/12,013.46 = 4,718.45/x
3. Step 3: Cross multiply
   8,003.05x = 12,013.46 × 4,718.45
4. Step 4: Simplify right side
   8,003.05x = 56,684,961.01
5. Step 5: Solve for x
   x = 56,684,961.01/8,003.05
6. Step 6: Final answer
   x = 7,082.92