Finding the Fourth Proportional to 14,574.31, 21,863.50 and 7,178.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,574.31 : 21,863.50 = 7,178.83 : x
2. Step 2: Convert to fraction form
   14,574.31/21,863.50 = 7,178.83/x
3. Step 3: Cross multiply
   14,574.31x = 21,863.50 × 7,178.83
4. Step 4: Simplify right side
   14,574.31x = 156,954,277.10
5. Step 5: Solve for x
   x = 156,954,277.10/14,574.31
6. Step 6: Final answer
   x = 10,769.24