Finding the Fourth Proportional to 11,961.27, 17,925.50 and 6,105.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,961.27 : 17,925.50 = 6,105.58 : x
2. Step 2: Convert to fraction form
   11,961.27/17,925.50 = 6,105.58/x
3. Step 3: Cross multiply
   11,961.27x = 17,925.50 × 6,105.58
4. Step 4: Simplify right side
   11,961.27x = 109,445,544.74
5. Step 5: Solve for x
   x = 109,445,544.74/11,961.27
6. Step 6: Final answer
   x = 9,149.99