Finding the Fourth Proportional to 9,828.72, 14,742.54 and 3,983.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,828.72 : 14,742.54 = 3,983.76 : x
2. Step 2: Convert to fraction form
   9,828.72/14,742.54 = 3,983.76/x
3. Step 3: Cross multiply
   9,828.72x = 14,742.54 × 3,983.76
4. Step 4: Simplify right side
   9,828.72x = 58,730,741.15
5. Step 5: Solve for x
   x = 58,730,741.15/9,828.72
6. Step 6: Final answer
   x = 5,975.42