Finding the Fourth Proportional to 2,075.61, 3,109.23 and 1,293.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.61 : 3,109.23 = 1,293.69 : x
2. Step 2: Convert to fraction form
   2,075.61/3,109.23 = 1,293.69/x
3. Step 3: Cross multiply
   2,075.61x = 3,109.23 × 1,293.69
4. Step 4: Simplify right side
   2,075.61x = 4,022,379.76
5. Step 5: Solve for x
   x = 4,022,379.76/2,075.61
6. Step 6: Final answer
   x = 1,937.93