Finding the Fourth Proportional to 9,313.80, 13,970.43 and 3,074.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,313.80 : 13,970.43 = 3,074.10 : x
2. Step 2: Convert to fraction form
   9,313.80/13,970.43 = 3,074.10/x
3. Step 3: Cross multiply
   9,313.80x = 13,970.43 × 3,074.10
4. Step 4: Simplify right side
   9,313.80x = 42,946,498.86
5. Step 5: Solve for x
   x = 42,946,498.86/9,313.80
6. Step 6: Final answer
   x = 4,611.06