Finding the Fourth Proportional to 3,602.82, 5,405.52 and 1,137.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,602.82 : 5,405.52 = 1,137.78 : x
2. Step 2: Convert to fraction form
   3,602.82/5,405.52 = 1,137.78/x
3. Step 3: Cross multiply
   3,602.82x = 5,405.52 × 1,137.78
4. Step 4: Simplify right side
   3,602.82x = 6,150,292.55
5. Step 5: Solve for x
   x = 6,150,292.55/3,602.82
6. Step 6: Final answer
   x = 1,707.08