Finding the Fourth Proportional to 9,830, 14,747.43 and 2,904.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,830 : 14,747.43 = 2,904.50 : x
2. Step 2: Convert to fraction form
   9,830/14,747.43 = 2,904.50/x
3. Step 3: Cross multiply
   9,830x = 14,747.43 × 2,904.50
4. Step 4: Simplify right side
   9,830x = 42,833,910.44
5. Step 5: Solve for x
   x = 42,833,910.44/9,830
6. Step 6: Final answer
   x = 4,357.47