Finding the Fourth Proportional to 7,504.12, 10,345.98 and 5,142.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,504.12 : 10,345.98 = 5,142.04 : x
2. Step 2: Convert to fraction form
   7,504.12/10,345.98 = 5,142.04/x
3. Step 3: Cross multiply
   7,504.12x = 10,345.98 × 5,142.04
4. Step 4: Simplify right side
   7,504.12x = 53,199,443.00
5. Step 5: Solve for x
   x = 53,199,443.00/7,504.12
6. Step 6: Final answer
   x = 7,089.36