Finding the Fourth Proportional to 4,807.98, 7,211.88 and 1,521.27

Step by Step Solution

1. Step 1: Write the proportion equation
   4,807.98 : 7,211.88 = 1,521.27 : x
2. Step 2: Convert to fraction form
   4,807.98/7,211.88 = 1,521.27/x
3. Step 3: Cross multiply
   4,807.98x = 7,211.88 × 1,521.27
4. Step 4: Simplify right side
   4,807.98x = 10,971,216.69
5. Step 5: Solve for x
   x = 10,971,216.69/4,807.98
6. Step 6: Final answer
   x = 2,281.88