Finding the Fourth Proportional to 9,930.79, 14,898.35 and 3,005.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,930.79 : 14,898.35 = 3,005.83 : x
2. Step 2: Convert to fraction form
   9,930.79/14,898.35 = 3,005.83/x
3. Step 3: Cross multiply
   9,930.79x = 14,898.35 × 3,005.83
4. Step 4: Simplify right side
   9,930.79x = 44,781,907.38
5. Step 5: Solve for x
   x = 44,781,907.38/9,930.79
6. Step 6: Final answer
   x = 4,509.40