Finding the Fourth Proportional to 3,086.64, 4,627.86 and 1,137.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.64 : 4,627.86 = 1,137.78 : x
2. Step 2: Convert to fraction form
   3,086.64/4,627.86 = 1,137.78/x
3. Step 3: Cross multiply
   3,086.64x = 4,627.86 × 1,137.78
4. Step 4: Simplify right side
   3,086.64x = 5,265,486.55
5. Step 5: Solve for x
   x = 5,265,486.55/3,086.64
6. Step 6: Final answer
   x = 1,705.90