Finding the Fourth Proportional to 21,460.38, 32,170.98 and 8,302.86

Step by Step Solution

1. Step 1: Write the proportion equation
   21,460.38 : 32,170.98 = 8,302.86 : x
2. Step 2: Convert to fraction form
   21,460.38/32,170.98 = 8,302.86/x
3. Step 3: Cross multiply
   21,460.38x = 32,170.98 × 8,302.86
4. Step 4: Simplify right side
   21,460.38x = 267,111,143.00
5. Step 5: Solve for x
   x = 267,111,143.00/21,460.38
6. Step 6: Final answer
   x = 12,446.71