Finding the Fourth Proportional to 5,238.02, 7,221.12 and 3,468.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,238.02 : 7,221.12 = 3,468.98 : x
2. Step 2: Convert to fraction form
   5,238.02/7,221.12 = 3,468.98/x
3. Step 3: Cross multiply
   5,238.02x = 7,221.12 × 3,468.98
4. Step 4: Simplify right side
   5,238.02x = 25,049,920.86
5. Step 5: Solve for x
   x = 25,049,920.86/5,238.02
6. Step 6: Final answer
   x = 4,782.33