Finding the Fourth Proportional to 9,859.91, 14,786.22 and 2,837.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,859.91 : 14,786.22 = 2,837.55 : x
2. Step 2: Convert to fraction form
   9,859.91/14,786.22 = 2,837.55/x
3. Step 3: Cross multiply
   9,859.91x = 14,786.22 × 2,837.55
4. Step 4: Simplify right side
   9,859.91x = 41,956,665.77
5. Step 5: Solve for x
   x = 41,956,665.77/9,859.91
6. Step 6: Final answer
   x = 4,255.28