Finding the Fourth Proportional to 5,196.96, 7,796.58 and 1,909.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.96 : 7,796.58 = 1,909.98 : x
2. Step 2: Convert to fraction form
   5,196.96/7,796.58 = 1,909.98/x
3. Step 3: Cross multiply
   5,196.96x = 7,796.58 × 1,909.98
4. Step 4: Simplify right side
   5,196.96x = 14,891,311.87
5. Step 5: Solve for x
   x = 14,891,311.87/5,196.96
6. Step 6: Final answer
   x = 2,865.39