Finding the Fourth Proportional to 21,667.02, 32,503.97 and 8,339.55

Step by Step Solution

1. Step 1: Write the proportion equation
   21,667.02 : 32,503.97 = 8,339.55 : x
2. Step 2: Convert to fraction form
   21,667.02/32,503.97 = 8,339.55/x
3. Step 3: Cross multiply
   21,667.02x = 32,503.97 × 8,339.55
4. Step 4: Simplify right side
   21,667.02x = 271,068,483.01
5. Step 5: Solve for x
   x = 271,068,483.01/21,667.02
6. Step 6: Final answer
   x = 12,510.65