Finding the Fourth Proportional to 2,075.34, 3,111.92 and 979.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.34 : 3,111.92 = 979.41 : x
2. Step 2: Convert to fraction form
   2,075.34/3,111.92 = 979.41/x
3. Step 3: Cross multiply
   2,075.34x = 3,111.92 × 979.41
4. Step 4: Simplify right side
   2,075.34x = 3,047,845.57
5. Step 5: Solve for x
   x = 3,047,845.57/2,075.34
6. Step 6: Final answer
   x = 1,468.60