Finding the Fourth Proportional to 7,187.27, 9,918.59 and 4,043.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,187.27 : 9,918.59 = 4,043.52 : x
2. Step 2: Convert to fraction form
   7,187.27/9,918.59 = 4,043.52/x
3. Step 3: Cross multiply
   7,187.27x = 9,918.59 × 4,043.52
4. Step 4: Simplify right side
   7,187.27x = 40,105,996.82
5. Step 5: Solve for x
   x = 40,105,996.82/7,187.27
6. Step 6: Final answer
   x = 5,580.15