Finding the Fourth Proportional to 21,951.10, 32,918.55 and 10,854.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,951.10 : 32,918.55 = 10,854.10 : x
2. Step 2: Convert to fraction form
   21,951.10/32,918.55 = 10,854.10/x
3. Step 3: Cross multiply
   21,951.10x = 32,918.55 × 10,854.10
4. Step 4: Simplify right side
   21,951.10x = 357,301,233.56
5. Step 5: Solve for x
   x = 357,301,233.56/21,951.10
6. Step 6: Final answer
   x = 16,277.14