Finding the Fourth Proportional to 17,483.17, 26,231.23 and 8,128.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,483.17 : 26,231.23 = 8,128.21 : x
2. Step 2: Convert to fraction form
   17,483.17/26,231.23 = 8,128.21/x
3. Step 3: Cross multiply
   17,483.17x = 26,231.23 × 8,128.21
4. Step 4: Simplify right side
   17,483.17x = 213,212,794.52
5. Step 5: Solve for x
   x = 213,212,794.52/17,483.17
6. Step 6: Final answer
   x = 12,195.32