Finding the Fourth Proportional to 2,075.79, 3,108.81 and 976.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.79 : 3,108.81 = 976.62 : x
2. Step 2: Convert to fraction form
   2,075.79/3,108.81 = 976.62/x
3. Step 3: Cross multiply
   2,075.79x = 3,108.81 × 976.62
4. Step 4: Simplify right side
   2,075.79x = 3,036,126.02
5. Step 5: Solve for x
   x = 3,036,126.02/2,075.79
6. Step 6: Final answer
   x = 1,462.64