Finding the Fourth Proportional to 9,859.50, 14,784.78 and 2,837.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,859.50 : 14,784.78 = 2,837.88 : x
2. Step 2: Convert to fraction form
   9,859.50/14,784.78 = 2,837.88/x
3. Step 3: Cross multiply
   9,859.50x = 14,784.78 × 2,837.88
4. Step 4: Simplify right side
   9,859.50x = 41,957,431.47
5. Step 5: Solve for x
   x = 41,957,431.47/9,859.50
6. Step 6: Final answer
   x = 4,255.53