Finding the Fourth Proportional to 10,698.78, 16,049.37 and 2,907.66

Step by Step Solution

1. Step 1: Write the proportion equation
   10,698.78 : 16,049.37 = 2,907.66 : x
2. Step 2: Convert to fraction form
   10,698.78/16,049.37 = 2,907.66/x
3. Step 3: Cross multiply
   10,698.78x = 16,049.37 × 2,907.66
4. Step 4: Simplify right side
   10,698.78x = 46,666,111.17
5. Step 5: Solve for x
   x = 46,666,111.17/10,698.78
6. Step 6: Final answer
   x = 4,361.82