Finding the Fourth Proportional to 9,848.12, 14,789.79 and 9,451.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,848.12 : 14,789.79 = 9,451.72 : x
2. Step 2: Convert to fraction form
   9,848.12/14,789.79 = 9,451.72/x
3. Step 3: Cross multiply
   9,848.12x = 14,789.79 × 9,451.72
4. Step 4: Simplify right side
   9,848.12x = 139,788,972.43
5. Step 5: Solve for x
   x = 139,788,972.43/9,848.12
6. Step 6: Final answer
   x = 14,194.49