Finding the Fourth Proportional to 32,714.28, 49,074.59 and 12,988.42

Step by Step Solution

1. Step 1: Write the proportion equation
   32,714.28 : 49,074.59 = 12,988.42 : x
2. Step 2: Convert to fraction form
   32,714.28/49,074.59 = 12,988.42/x
3. Step 3: Cross multiply
   32,714.28x = 49,074.59 × 12,988.42
4. Step 4: Simplify right side
   32,714.28x = 637,401,296.03
5. Step 5: Solve for x
   x = 637,401,296.03/32,714.28
6. Step 6: Final answer
   x = 19,483.89