Finding the Fourth Proportional to 3,672.76, 5,508.78 and 1,075.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.76 : 5,508.78 = 1,075.72 : x
2. Step 2: Convert to fraction form
   3,672.76/5,508.78 = 1,075.72/x
3. Step 3: Cross multiply
   3,672.76x = 5,508.78 × 1,075.72
4. Step 4: Simplify right side
   3,672.76x = 5,925,904.82
5. Step 5: Solve for x
   x = 5,925,904.82/3,672.76
6. Step 6: Final answer
   x = 1,613.47