Finding the Fourth Proportional to 9,885.98, 14,798.73 and 7,112.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,885.98 : 14,798.73 = 7,112.54 : x
2. Step 2: Convert to fraction form
   9,885.98/14,798.73 = 7,112.54/x
3. Step 3: Cross multiply
   9,885.98x = 14,798.73 × 7,112.54
4. Step 4: Simplify right side
   9,885.98x = 105,256,559.07
5. Step 5: Solve for x
   x = 105,256,559.07/9,885.98
6. Step 6: Final answer
   x = 10,647.05