Finding the Fourth Proportional to 3,672.72, 5,508.27 and 1,075.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.72 : 5,508.27 = 1,075.86 : x
2. Step 2: Convert to fraction form
   3,672.72/5,508.27 = 1,075.86/x
3. Step 3: Cross multiply
   3,672.72x = 5,508.27 × 1,075.86
4. Step 4: Simplify right side
   3,672.72x = 5,926,127.36
5. Step 5: Solve for x
   x = 5,926,127.36/3,672.72
6. Step 6: Final answer
   x = 1,613.55