Finding the Fourth Proportional to 21,397.27, 32,098.82 and 8,914.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,397.27 : 32,098.82 = 8,914.37 : x
2. Step 2: Convert to fraction form
   21,397.27/32,098.82 = 8,914.37/x
3. Step 3: Cross multiply
   21,397.27x = 32,098.82 × 8,914.37
4. Step 4: Simplify right side
   21,397.27x = 286,140,758.04
5. Step 5: Solve for x
   x = 286,140,758.04/21,397.27
6. Step 6: Final answer
   x = 13,372.77