Finding the Fourth Proportional to 3,672.96, 5,509.71 and 1,075.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.96 : 5,509.71 = 1,075.88 : x
2. Step 2: Convert to fraction form
   3,672.96/5,509.71 = 1,075.88/x
3. Step 3: Cross multiply
   3,672.96x = 5,509.71 × 1,075.88
4. Step 4: Simplify right side
   3,672.96x = 5,927,759.25
5. Step 5: Solve for x
   x = 5,927,759.25/3,672.96
6. Step 6: Final answer
   x = 1,613.89