Finding the Fourth Proportional to 8,830.09, 12,185.75 and 4,851.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,830.09 : 12,185.75 = 4,851.31 : x
2. Step 2: Convert to fraction form
   8,830.09/12,185.75 = 4,851.31/x
3. Step 3: Cross multiply
   8,830.09x = 12,185.75 × 4,851.31
4. Step 4: Simplify right side
   8,830.09x = 59,116,789.90
5. Step 5: Solve for x
   x = 59,116,789.90/8,830.09
6. Step 6: Final answer
   x = 6,694.92