Finding the Fourth Proportional to 11,561.86, 17,337.38 and 4,165.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,561.86 : 17,337.38 = 4,165.34 : x
2. Step 2: Convert to fraction form
   11,561.86/17,337.38 = 4,165.34/x
3. Step 3: Cross multiply
   11,561.86x = 17,337.38 × 4,165.34
4. Step 4: Simplify right side
   11,561.86x = 72,216,072.42
5. Step 5: Solve for x
   x = 72,216,072.42/11,561.86
6. Step 6: Final answer
   x = 6,246.06