Finding the Fourth Proportional to 21,949.07, 32,928.85 and 7,158.01

Step by Step Solution

1. Step 1: Write the proportion equation
   21,949.07 : 32,928.85 = 7,158.01 : x
2. Step 2: Convert to fraction form
   21,949.07/32,928.85 = 7,158.01/x
3. Step 3: Cross multiply
   21,949.07x = 32,928.85 × 7,158.01
4. Step 4: Simplify right side
   21,949.07x = 235,705,037.59
5. Step 5: Solve for x
   x = 235,705,037.59/21,949.07
6. Step 6: Final answer
   x = 10,738.73