Finding the Fourth Proportional to 21,667.48, 32,497.90 and 6,874.47

Step by Step Solution

1. Step 1: Write the proportion equation
   21,667.48 : 32,497.90 = 6,874.47 : x
2. Step 2: Convert to fraction form
   21,667.48/32,497.90 = 6,874.47/x
3. Step 3: Cross multiply
   21,667.48x = 32,497.90 × 6,874.47
4. Step 4: Simplify right side
   21,667.48x = 223,405,838.61
5. Step 5: Solve for x
   x = 223,405,838.61/21,667.48
6. Step 6: Final answer
   x = 10,310.65