Finding the Fourth Proportional to 21,782.43, 32,669.71 and 5,772.07

Step by Step Solution

1. Step 1: Write the proportion equation
   21,782.43 : 32,669.71 = 5,772.07 : x
2. Step 2: Convert to fraction form
   21,782.43/32,669.71 = 5,772.07/x
3. Step 3: Cross multiply
   21,782.43x = 32,669.71 × 5,772.07
4. Step 4: Simplify right side
   21,782.43x = 188,571,853.00
5. Step 5: Solve for x
   x = 188,571,853.00/21,782.43
6. Step 6: Final answer
   x = 8,657.06