Finding the Fourth Proportional to 11,773.72, 17,662.30 and 3,984.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,773.72 : 17,662.30 = 3,984.76 : x
2. Step 2: Convert to fraction form
   11,773.72/17,662.30 = 3,984.76/x
3. Step 3: Cross multiply
   11,773.72x = 17,662.30 × 3,984.76
4. Step 4: Simplify right side
   11,773.72x = 70,380,026.55
5. Step 5: Solve for x
   x = 70,380,026.55/11,773.72
6. Step 6: Final answer
   x = 5,977.72