Finding the Fourth Proportional to 11,710.02, 17,566.78 and 3,917

Step by Step Solution

1. Step 1: Write the proportion equation
   11,710.02 : 17,566.78 = 3,917 : x
2. Step 2: Convert to fraction form
   11,710.02/17,566.78 = 3,917/x
3. Step 3: Cross multiply
   11,710.02x = 17,566.78 × 3,917
4. Step 4: Simplify right side
   11,710.02x = 68,809,077.26
5. Step 5: Solve for x
   x = 68,809,077.26/11,710.02
6. Step 6: Final answer
   x = 5,876.09