Finding the Fourth Proportional to 11,701.89, 17,543.12 and 8,181.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,701.89 : 17,543.12 = 8,181.83 : x
2. Step 2: Convert to fraction form
   11,701.89/17,543.12 = 8,181.83/x
3. Step 3: Cross multiply
   11,701.89x = 17,543.12 × 8,181.83
4. Step 4: Simplify right side
   11,701.89x = 143,534,828.46
5. Step 5: Solve for x
   x = 143,534,828.46/11,701.89
6. Step 6: Final answer
   x = 12,265.95