Finding the Fourth Proportional to 6,293.86, 9,430.98 and 3,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,293.86 : 9,430.98 = 3,980.50 : x
2. Step 2: Convert to fraction form
   6,293.86/9,430.98 = 3,980.50/x
3. Step 3: Cross multiply
   6,293.86x = 9,430.98 × 3,980.50
4. Step 4: Simplify right side
   6,293.86x = 37,540,015.89
5. Step 5: Solve for x
   x = 37,540,015.89/6,293.86
6. Step 6: Final answer
   x = 5,964.55