Finding the Fourth Proportional to 9,886.24, 14,828.83 and 2,490.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,886.24 : 14,828.83 = 2,490.69 : x
2. Step 2: Convert to fraction form
   9,886.24/14,828.83 = 2,490.69/x
3. Step 3: Cross multiply
   9,886.24x = 14,828.83 × 2,490.69
4. Step 4: Simplify right side
   9,886.24x = 36,934,018.59
5. Step 5: Solve for x
   x = 36,934,018.59/9,886.24
6. Step 6: Final answer
   x = 3,735.90