Finding the Fourth Proportional to 21,025.32, 28,984.77 and 16,541.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,025.32 : 28,984.77 = 16,541.31 : x
2. Step 2: Convert to fraction form
   21,025.32/28,984.77 = 16,541.31/x
3. Step 3: Cross multiply
   21,025.32x = 28,984.77 × 16,541.31
4. Step 4: Simplify right side
   21,025.32x = 479,446,065.85
5. Step 5: Solve for x
   x = 479,446,065.85/21,025.32
6. Step 6: Final answer
   x = 22,803.27