Finding the Fourth Proportional to 21,980.56, 32,956.18 and 7,184.29

Step by Step Solution

1. Step 1: Write the proportion equation
   21,980.56 : 32,956.18 = 7,184.29 : x
2. Step 2: Convert to fraction form
   21,980.56/32,956.18 = 7,184.29/x
3. Step 3: Cross multiply
   21,980.56x = 32,956.18 × 7,184.29
4. Step 4: Simplify right side
   21,980.56x = 236,766,754.41
5. Step 5: Solve for x
   x = 236,766,754.41/21,980.56
6. Step 6: Final answer
   x = 10,771.64