Finding the Fourth Proportional to 17,100.72, 25,651.80 and 8,343

Step by Step Solution

1. Step 1: Write the proportion equation
   17,100.72 : 25,651.80 = 8,343 : x
2. Step 2: Convert to fraction form
   17,100.72/25,651.80 = 8,343/x
3. Step 3: Cross multiply
   17,100.72x = 25,651.80 × 8,343
4. Step 4: Simplify right side
   17,100.72x = 214,012,967.40
5. Step 5: Solve for x
   x = 214,012,967.40/17,100.72
6. Step 6: Final answer
   x = 12,514.85