Finding the Fourth Proportional to 21,896.91, 32,841.39 and 7,667.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,896.91 : 32,841.39 = 7,667.48 : x
2. Step 2: Convert to fraction form
   21,896.91/32,841.39 = 7,667.48/x
3. Step 3: Cross multiply
   21,896.91x = 32,841.39 × 7,667.48
4. Step 4: Simplify right side
   21,896.91x = 251,810,536.79
5. Step 5: Solve for x
   x = 251,810,536.79/21,896.91
6. Step 6: Final answer
   x = 11,499.82