Finding the Fourth Proportional to 4,075.59, 6,111.43 and 1,993.16

Step by Step Solution

1. Step 1: Write the proportion equation
   4,075.59 : 6,111.43 = 1,993.16 : x
2. Step 2: Convert to fraction form
   4,075.59/6,111.43 = 1,993.16/x
3. Step 3: Cross multiply
   4,075.59x = 6,111.43 × 1,993.16
4. Step 4: Simplify right side
   4,075.59x = 12,181,057.82
5. Step 5: Solve for x
   x = 12,181,057.82/4,075.59
6. Step 6: Final answer
   x = 2,988.78