Finding the Fourth Proportional to 21,528.20, 32,288.52 and 5,942.36

Step by Step Solution

1. Step 1: Write the proportion equation
   21,528.20 : 32,288.52 = 5,942.36 : x
2. Step 2: Convert to fraction form
   21,528.20/32,288.52 = 5,942.36/x
3. Step 3: Cross multiply
   21,528.20x = 32,288.52 × 5,942.36
4. Step 4: Simplify right side
   21,528.20x = 191,870,009.71
5. Step 5: Solve for x
   x = 191,870,009.71/21,528.20
6. Step 6: Final answer
   x = 8,912.50