Finding the Fourth Proportional to 2,075.01, 3,112.17 and 842.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.01 : 3,112.17 = 842.37 : x
2. Step 2: Convert to fraction form
   2,075.01/3,112.17 = 842.37/x
3. Step 3: Cross multiply
   2,075.01x = 3,112.17 × 842.37
4. Step 4: Simplify right side
   2,075.01x = 2,621,598.64
5. Step 5: Solve for x
   x = 2,621,598.64/2,075.01
6. Step 6: Final answer
   x = 1,263.41