Finding the Fourth Proportional to 9,810.75, 14,653.58 and 8,498.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,810.75 : 14,653.58 = 8,498.55 : x
2. Step 2: Convert to fraction form
   9,810.75/14,653.58 = 8,498.55/x
3. Step 3: Cross multiply
   9,810.75x = 14,653.58 × 8,498.55
4. Step 4: Simplify right side
   9,810.75x = 124,534,142.83
5. Step 5: Solve for x
   x = 124,534,142.83/9,810.75
6. Step 6: Final answer
   x = 12,693.65