Finding the Fourth Proportional to 11,714.01, 17,572.77 and 3,921

Step by Step Solution

1. Step 1: Write the proportion equation
   11,714.01 : 17,572.77 = 3,921 : x
2. Step 2: Convert to fraction form
   11,714.01/17,572.77 = 3,921/x
3. Step 3: Cross multiply
   11,714.01x = 17,572.77 × 3,921
4. Step 4: Simplify right side
   11,714.01x = 68,902,831.17
5. Step 5: Solve for x
   x = 68,902,831.17/11,714.01
6. Step 6: Final answer
   x = 5,882.09