Finding the Fourth Proportional to 21,345.57, 32,018.29 and 5,763.20

Step by Step Solution

1. Step 1: Write the proportion equation
   21,345.57 : 32,018.29 = 5,763.20 : x
2. Step 2: Convert to fraction form
   21,345.57/32,018.29 = 5,763.20/x
3. Step 3: Cross multiply
   21,345.57x = 32,018.29 × 5,763.20
4. Step 4: Simplify right side
   21,345.57x = 184,527,634.43
5. Step 5: Solve for x
   x = 184,527,634.43/21,345.57
6. Step 6: Final answer
   x = 8,644.77