Finding the Fourth Proportional to 13,373.42, 20,062.83 and 9,215.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,373.42 : 20,062.83 = 9,215.42 : x
2. Step 2: Convert to fraction form
   13,373.42/20,062.83 = 9,215.42/x
3. Step 3: Cross multiply
   13,373.42x = 20,062.83 × 9,215.42
4. Step 4: Simplify right side
   13,373.42x = 184,887,404.84
5. Step 5: Solve for x
   x = 184,887,404.84/13,373.42
6. Step 6: Final answer
   x = 13,824.99