Finding the Fourth Proportional to 7,499.37, 10,345.05 and 5,227.11

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.37 : 10,345.05 = 5,227.11 : x
2. Step 2: Convert to fraction form
   7,499.37/10,345.05 = 5,227.11/x
3. Step 3: Cross multiply
   7,499.37x = 10,345.05 × 5,227.11
4. Step 4: Simplify right side
   7,499.37x = 54,074,714.31
5. Step 5: Solve for x
   x = 54,074,714.31/7,499.37
6. Step 6: Final answer
   x = 7,210.57