Finding the Fourth Proportional to 21,427.55, 32,162.06 and 10,342.04

Step by Step Solution

1. Step 1: Write the proportion equation
   21,427.55 : 32,162.06 = 10,342.04 : x
2. Step 2: Convert to fraction form
   21,427.55/32,162.06 = 10,342.04/x
3. Step 3: Cross multiply
   21,427.55x = 32,162.06 × 10,342.04
4. Step 4: Simplify right side
   21,427.55x = 332,621,298.78
5. Step 5: Solve for x
   x = 332,621,298.78/21,427.55
6. Step 6: Final answer
   x = 15,523.07