Finding the Fourth Proportional to 10,700.09, 16,046.21 and 3,678.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,700.09 : 16,046.21 = 3,678.11 : x
2. Step 2: Convert to fraction form
   10,700.09/16,046.21 = 3,678.11/x
3. Step 3: Cross multiply
   10,700.09x = 16,046.21 × 3,678.11
4. Step 4: Simplify right side
   10,700.09x = 59,019,725.46
5. Step 5: Solve for x
   x = 59,019,725.46/10,700.09
6. Step 6: Final answer
   x = 5,515.82