Finding the Fourth Proportional to 9,905.72, 14,856.19 and 2,883.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,905.72 : 14,856.19 = 2,883.83 : x
2. Step 2: Convert to fraction form
   9,905.72/14,856.19 = 2,883.83/x
3. Step 3: Cross multiply
   9,905.72x = 14,856.19 × 2,883.83
4. Step 4: Simplify right side
   9,905.72x = 42,842,644.92
5. Step 5: Solve for x
   x = 42,842,644.92/9,905.72
6. Step 6: Final answer
   x = 4,325.04