Finding the Fourth Proportional to 19,984.52, 29,921.40 and 10,103.15

Step by Step Solution

1. Step 1: Write the proportion equation
   19,984.52 : 29,921.40 = 10,103.15 : x
2. Step 2: Convert to fraction form
   19,984.52/29,921.40 = 10,103.15/x
3. Step 3: Cross multiply
   19,984.52x = 29,921.40 × 10,103.15
4. Step 4: Simplify right side
   19,984.52x = 302,300,298.91
5. Step 5: Solve for x
   x = 302,300,298.91/19,984.52
6. Step 6: Final answer
   x = 15,126.72