Finding the Fourth Proportional to 21,560.46, 32,335.83 and 5,979.30

Step by Step Solution

1. Step 1: Write the proportion equation
   21,560.46 : 32,335.83 = 5,979.30 : x
2. Step 2: Convert to fraction form
   21,560.46/32,335.83 = 5,979.30/x
3. Step 3: Cross multiply
   21,560.46x = 32,335.83 × 5,979.30
4. Step 4: Simplify right side
   21,560.46x = 193,345,628.32
5. Step 5: Solve for x
   x = 193,345,628.32/21,560.46
6. Step 6: Final answer
   x = 8,967.60