Finding the Fourth Proportional to 11,807.96, 17,701.41 and 4,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,807.96 : 17,701.41 = 4,406.72 : x
2. Step 2: Convert to fraction form
   11,807.96/17,701.41 = 4,406.72/x
3. Step 3: Cross multiply
   11,807.96x = 17,701.41 × 4,406.72
4. Step 4: Simplify right side
   11,807.96x = 78,005,157.48
5. Step 5: Solve for x
   x = 78,005,157.48/11,807.96
6. Step 6: Final answer
   x = 6,606.15