Finding the Fourth Proportional to 21,300.08, 31,945.72 and 5,714

Step by Step Solution

1. Step 1: Write the proportion equation
   21,300.08 : 31,945.72 = 5,714 : x
2. Step 2: Convert to fraction form
   21,300.08/31,945.72 = 5,714/x
3. Step 3: Cross multiply
   21,300.08x = 31,945.72 × 5,714
4. Step 4: Simplify right side
   21,300.08x = 182,537,844.08
5. Step 5: Solve for x
   x = 182,537,844.08/21,300.08
6. Step 6: Final answer
   x = 8,569.82