Finding the Fourth Proportional to 7,499.21, 10,345.43 and 4,847.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.21 : 10,345.43 = 4,847.46 : x
2. Step 2: Convert to fraction form
   7,499.21/10,345.43 = 4,847.46/x
3. Step 3: Cross multiply
   7,499.21x = 10,345.43 × 4,847.46
4. Step 4: Simplify right side
   7,499.21x = 50,149,033.87
5. Step 5: Solve for x
   x = 50,149,033.87/7,499.21
6. Step 6: Final answer
   x = 6,687.25