Finding the Fourth Proportional to 12,314.96, 18,470.82 and 3,430.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,314.96 : 18,470.82 = 3,430.88 : x
2. Step 2: Convert to fraction form
   12,314.96/18,470.82 = 3,430.88/x
3. Step 3: Cross multiply
   12,314.96x = 18,470.82 × 3,430.88
4. Step 4: Simplify right side
   12,314.96x = 63,371,166.92
5. Step 5: Solve for x
   x = 63,371,166.92/12,314.96
6. Step 6: Final answer
   x = 5,145.87