Finding the Fourth Proportional to 4,817.88, 7,215.73 and 2,472.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,817.88 : 7,215.73 = 2,472.12 : x
2. Step 2: Convert to fraction form
   4,817.88/7,215.73 = 2,472.12/x
3. Step 3: Cross multiply
   4,817.88x = 7,215.73 × 2,472.12
4. Step 4: Simplify right side
   4,817.88x = 17,838,150.45
5. Step 5: Solve for x
   x = 17,838,150.45/4,817.88
6. Step 6: Final answer
   x = 3,702.49