Finding the Fourth Proportional to 7,945.10, 11,911.42 and 5,017.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,945.10 : 11,911.42 = 5,017.25 : x
2. Step 2: Convert to fraction form
   7,945.10/11,911.42 = 5,017.25/x
3. Step 3: Cross multiply
   7,945.10x = 11,911.42 × 5,017.25
4. Step 4: Simplify right side
   7,945.10x = 59,762,572.00
5. Step 5: Solve for x
   x = 59,762,572.00/7,945.10
6. Step 6: Final answer
   x = 7,521.94