Finding the Fourth Proportional to 21,416.10, 32,107.68 and 10,877.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,416.10 : 32,107.68 = 10,877.46 : x
2. Step 2: Convert to fraction form
   21,416.10/32,107.68 = 10,877.46/x
3. Step 3: Cross multiply
   21,416.10x = 32,107.68 × 10,877.46
4. Step 4: Simplify right side
   21,416.10x = 349,250,004.89
5. Step 5: Solve for x
   x = 349,250,004.89/21,416.10
6. Step 6: Final answer
   x = 16,307.82