Finding the Fourth Proportional to 17,345.83, 26,018.89 and 4,198.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,345.83 : 26,018.89 = 4,198.21 : x
2. Step 2: Convert to fraction form
   17,345.83/26,018.89 = 4,198.21/x
3. Step 3: Cross multiply
   17,345.83x = 26,018.89 × 4,198.21
4. Step 4: Simplify right side
   17,345.83x = 109,232,613.10
5. Step 5: Solve for x
   x = 109,232,613.10/17,345.83
6. Step 6: Final answer
   x = 6,297.34