Finding the Fourth Proportional to 2,075.38, 3,111.98 and 614.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.38 : 3,111.98 = 614.32 : x
2. Step 2: Convert to fraction form
   2,075.38/3,111.98 = 614.32/x
3. Step 3: Cross multiply
   2,075.38x = 3,111.98 × 614.32
4. Step 4: Simplify right side
   2,075.38x = 1,911,751.55
5. Step 5: Solve for x
   x = 1,911,751.55/2,075.38
6. Step 6: Final answer
   x = 921.16