Finding the Fourth Proportional to 21,422.56, 32,136.24 and 5,840.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,422.56 : 32,136.24 = 5,840.32 : x
2. Step 2: Convert to fraction form
   21,422.56/32,136.24 = 5,840.32/x
3. Step 3: Cross multiply
   21,422.56x = 32,136.24 × 5,840.32
4. Step 4: Simplify right side
   21,422.56x = 187,685,925.20
5. Step 5: Solve for x
   x = 187,685,925.20/21,422.56
6. Step 6: Final answer
   x = 8,761.13