Finding the Fourth Proportional to 8,003.04, 12,008.58 and 5,400.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,003.04 : 12,008.58 = 5,400.52 : x
2. Step 2: Convert to fraction form
   8,003.04/12,008.58 = 5,400.52/x
3. Step 3: Cross multiply
   8,003.04x = 12,008.58 × 5,400.52
4. Step 4: Simplify right side
   8,003.04x = 64,852,576.46
5. Step 5: Solve for x
   x = 64,852,576.46/8,003.04
6. Step 6: Final answer
   x = 8,103.49