Finding the Fourth Proportional to 11,747.72, 17,621.92 and 2,983.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,747.72 : 17,621.92 = 2,983.34 : x
2. Step 2: Convert to fraction form
   11,747.72/17,621.92 = 2,983.34/x
3. Step 3: Cross multiply
   11,747.72x = 17,621.92 × 2,983.34
4. Step 4: Simplify right side
   11,747.72x = 52,572,178.81
5. Step 5: Solve for x
   x = 52,572,178.81/11,747.72
6. Step 6: Final answer
   x = 4,475.10