Finding the Fourth Proportional to 3,463.65, 5,196.78 and 2,077.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,463.65 : 5,196.78 = 2,077.98 : x
2. Step 2: Convert to fraction form
   3,463.65/5,196.78 = 2,077.98/x
3. Step 3: Cross multiply
   3,463.65x = 5,196.78 × 2,077.98
4. Step 4: Simplify right side
   3,463.65x = 10,798,804.90
5. Step 5: Solve for x
   x = 10,798,804.90/3,463.65
6. Step 6: Final answer
   x = 3,117.75