Finding the Fourth Proportional to 3,672.84, 5,510.33 and 1,075.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.84 : 5,510.33 = 1,075.78 : x
2. Step 2: Convert to fraction form
   3,672.84/5,510.33 = 1,075.78/x
3. Step 3: Cross multiply
   3,672.84x = 5,510.33 × 1,075.78
4. Step 4: Simplify right side
   3,672.84x = 5,927,908.35
5. Step 5: Solve for x
   x = 5,927,908.35/3,672.84
6. Step 6: Final answer
   x = 1,613.98