Finding the Fourth Proportional to 10,870.30, 16,297.48 and 3,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.30 : 16,297.48 = 3,470.50 : x
2. Step 2: Convert to fraction form
   10,870.30/16,297.48 = 3,470.50/x
3. Step 3: Cross multiply
   10,870.30x = 16,297.48 × 3,470.50
4. Step 4: Simplify right side
   10,870.30x = 56,560,327.62
5. Step 5: Solve for x
   x = 56,560,327.62/10,870.30
6. Step 6: Final answer
   x = 5,203.20