Finding the Fourth Proportional to 8,342.79, 12,514.79 and 3,412.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,342.79 : 12,514.79 = 3,412.52 : x
2. Step 2: Convert to fraction form
   8,342.79/12,514.79 = 3,412.52/x
3. Step 3: Cross multiply
   8,342.79x = 12,514.79 × 3,412.52
4. Step 4: Simplify right side
   8,342.79x = 42,706,971.17
5. Step 5: Solve for x
   x = 42,706,971.17/8,342.79
6. Step 6: Final answer
   x = 5,119.03