Finding the Fourth Proportional to 21,668.72, 32,483.62 and 7,814.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,668.72 : 32,483.62 = 7,814.48 : x
2. Step 2: Convert to fraction form
   21,668.72/32,483.62 = 7,814.48/x
3. Step 3: Cross multiply
   21,668.72x = 32,483.62 × 7,814.48
4. Step 4: Simplify right side
   21,668.72x = 253,842,598.82
5. Step 5: Solve for x
   x = 253,842,598.82/21,668.72
6. Step 6: Final answer
   x = 11,714.70