Finding the Fourth Proportional to 9,773.80, 14,661.72 and 2,848.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,773.80 : 14,661.72 = 2,848.30 : x
2. Step 2: Convert to fraction form
   9,773.80/14,661.72 = 2,848.30/x
3. Step 3: Cross multiply
   9,773.80x = 14,661.72 × 2,848.30
4. Step 4: Simplify right side
   9,773.80x = 41,760,977.08
5. Step 5: Solve for x
   x = 41,760,977.08/9,773.80
6. Step 6: Final answer
   x = 4,272.75