Finding the Fourth Proportional to 21,441.04, 32,162.28 and 19,006.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,441.04 : 32,162.28 = 19,006.18 : x
2. Step 2: Convert to fraction form
   21,441.04/32,162.28 = 19,006.18/x
3. Step 3: Cross multiply
   21,441.04x = 32,162.28 × 19,006.18
4. Step 4: Simplify right side
   21,441.04x = 611,282,082.89
5. Step 5: Solve for x
   x = 611,282,082.89/21,441.04
6. Step 6: Final answer
   x = 28,509.91