Finding the Fourth Proportional to 10,710.78, 16,066.98 and 3,316.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,710.78 : 16,066.98 = 3,316.02 : x
2. Step 2: Convert to fraction form
   10,710.78/16,066.98 = 3,316.02/x
3. Step 3: Cross multiply
   10,710.78x = 16,066.98 × 3,316.02
4. Step 4: Simplify right side
   10,710.78x = 53,278,427.02
5. Step 5: Solve for x
   x = 53,278,427.02/10,710.78
6. Step 6: Final answer
   x = 4,974.28