Finding the Fourth Proportional to 6,109.26, 8,430.78 and 3,314.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,109.26 : 8,430.78 = 3,314.76 : x
2. Step 2: Convert to fraction form
   6,109.26/8,430.78 = 3,314.76/x
3. Step 3: Cross multiply
   6,109.26x = 8,430.78 × 3,314.76
4. Step 4: Simplify right side
   6,109.26x = 27,946,012.31
5. Step 5: Solve for x
   x = 27,946,012.31/6,109.26
6. Step 6: Final answer
   x = 4,574.37