Finding the Fourth Proportional to 9,815.55, 14,714.67 and 3,896.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.55 : 14,714.67 = 3,896.59 : x
2. Step 2: Convert to fraction form
   9,815.55/14,714.67 = 3,896.59/x
3. Step 3: Cross multiply
   9,815.55x = 14,714.67 × 3,896.59
4. Step 4: Simplify right side
   9,815.55x = 57,337,035.98
5. Step 5: Solve for x
   x = 57,337,035.98/9,815.55
6. Step 6: Final answer
   x = 5,841.45