Finding the Fourth Proportional to 5,196.15, 7,794.27 and 1,909.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.15 : 7,794.27 = 1,909.98 : x
2. Step 2: Convert to fraction form
   5,196.15/7,794.27 = 1,909.98/x
3. Step 3: Cross multiply
   5,196.15x = 7,794.27 × 1,909.98
4. Step 4: Simplify right side
   5,196.15x = 14,886,899.81
5. Step 5: Solve for x
   x = 14,886,899.81/5,196.15
6. Step 6: Final answer
   x = 2,864.99