Finding the Fourth Proportional to 10,707.11, 16,062.20 and 3,312.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,707.11 : 16,062.20 = 3,312.15 : x
2. Step 2: Convert to fraction form
   10,707.11/16,062.20 = 3,312.15/x
3. Step 3: Cross multiply
   10,707.11x = 16,062.20 × 3,312.15
4. Step 4: Simplify right side
   10,707.11x = 53,200,415.73
5. Step 5: Solve for x
   x = 53,200,415.73/10,707.11
6. Step 6: Final answer
   x = 4,968.70