Finding the Fourth Proportional to 10,698.72, 16,050.09 and 4,855.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,698.72 : 16,050.09 = 4,855.74 : x
2. Step 2: Convert to fraction form
   10,698.72/16,050.09 = 4,855.74/x
3. Step 3: Cross multiply
   10,698.72x = 16,050.09 × 4,855.74
4. Step 4: Simplify right side
   10,698.72x = 77,935,064.02
5. Step 5: Solve for x
   x = 77,935,064.02/10,698.72
6. Step 6: Final answer
   x = 7,284.52