Finding the Fourth Proportional to 6,683.02, 10,011.12 and 3,120.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,683.02 : 10,011.12 = 3,120.10 : x
2. Step 2: Convert to fraction form
   6,683.02/10,011.12 = 3,120.10/x
3. Step 3: Cross multiply
   6,683.02x = 10,011.12 × 3,120.10
4. Step 4: Simplify right side
   6,683.02x = 31,235,695.51
5. Step 5: Solve for x
   x = 31,235,695.51/6,683.02
6. Step 6: Final answer
   x = 4,673.89