Finding the Fourth Proportional to 3,522.39, 5,281.71 and 1,181.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.39 : 5,281.71 = 1,181.53 : x
2. Step 2: Convert to fraction form
   3,522.39/5,281.71 = 1,181.53/x
3. Step 3: Cross multiply
   3,522.39x = 5,281.71 × 1,181.53
4. Step 4: Simplify right side
   3,522.39x = 6,240,498.82
5. Step 5: Solve for x
   x = 6,240,498.82/3,522.39
6. Step 6: Final answer
   x = 1,771.67