Finding the Fourth Proportional to 32,854.41, 45,323.28 and 21,519

Step by Step Solution

1. Step 1: Write the proportion equation
   32,854.41 : 45,323.28 = 21,519 : x
2. Step 2: Convert to fraction form
   32,854.41/45,323.28 = 21,519/x
3. Step 3: Cross multiply
   32,854.41x = 45,323.28 × 21,519
4. Step 4: Simplify right side
   32,854.41x = 975,311,662.32
5. Step 5: Solve for x
   x = 975,311,662.32/32,854.41
6. Step 6: Final answer
   x = 29,685.87