Finding the Fourth Proportional to 21,348.81, 32,019.59 and 5,762.79

Step by Step Solution

1. Step 1: Write the proportion equation
   21,348.81 : 32,019.59 = 5,762.79 : x
2. Step 2: Convert to fraction form
   21,348.81/32,019.59 = 5,762.79/x
3. Step 3: Cross multiply
   21,348.81x = 32,019.59 × 5,762.79
4. Step 4: Simplify right side
   21,348.81x = 184,522,144.24
5. Step 5: Solve for x
   x = 184,522,144.24/21,348.81
6. Step 6: Final answer
   x = 8,643.21