Finding the Fourth Proportional to 9,896.31, 14,840.84 and 2,874.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,896.31 : 14,840.84 = 2,874.42 : x
2. Step 2: Convert to fraction form
   9,896.31/14,840.84 = 2,874.42/x
3. Step 3: Cross multiply
   9,896.31x = 14,840.84 × 2,874.42
4. Step 4: Simplify right side
   9,896.31x = 42,658,814.50
5. Step 5: Solve for x
   x = 42,658,814.50/9,896.31
6. Step 6: Final answer
   x = 4,310.58