Finding the Fourth Proportional to 21,412.87, 32,100.84 and 8,274.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,412.87 : 32,100.84 = 8,274.46 : x
2. Step 2: Convert to fraction form
   21,412.87/32,100.84 = 8,274.46/x
3. Step 3: Cross multiply
   21,412.87x = 32,100.84 × 8,274.46
4. Step 4: Simplify right side
   21,412.87x = 265,617,116.55
5. Step 5: Solve for x
   x = 265,617,116.55/21,412.87
6. Step 6: Final answer
   x = 12,404.55