Finding the Fourth Proportional to 21,399.56, 32,101.74 and 5,817.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,399.56 : 32,101.74 = 5,817.32 : x
2. Step 2: Convert to fraction form
   21,399.56/32,101.74 = 5,817.32/x
3. Step 3: Cross multiply
   21,399.56x = 32,101.74 × 5,817.32
4. Step 4: Simplify right side
   21,399.56x = 186,746,094.14
5. Step 5: Solve for x
   x = 186,746,094.14/21,399.56
6. Step 6: Final answer
   x = 8,726.63