Finding the Fourth Proportional to 11,709.01, 17,565.27 and 3,916

Step by Step Solution

1. Step 1: Write the proportion equation
   11,709.01 : 17,565.27 = 3,916 : x
2. Step 2: Convert to fraction form
   11,709.01/17,565.27 = 3,916/x
3. Step 3: Cross multiply
   11,709.01x = 17,565.27 × 3,916
4. Step 4: Simplify right side
   11,709.01x = 68,785,597.32
5. Step 5: Solve for x
   x = 68,785,597.32/11,709.01
6. Step 6: Final answer
   x = 5,874.59