Finding the Fourth Proportional to 9,906.47, 14,857.31 and 2,884.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,906.47 : 14,857.31 = 2,884.58 : x
2. Step 2: Convert to fraction form
   9,906.47/14,857.31 = 2,884.58/x
3. Step 3: Cross multiply
   9,906.47x = 14,857.31 × 2,884.58
4. Step 4: Simplify right side
   9,906.47x = 42,857,032.20
5. Step 5: Solve for x
   x = 42,857,032.20/9,906.47
6. Step 6: Final answer
   x = 4,326.17