Finding the Fourth Proportional to 2,591.39, 3,886.18 and 1,130.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.39 : 3,886.18 = 1,130.22 : x
2. Step 2: Convert to fraction form
   2,591.39/3,886.18 = 1,130.22/x
3. Step 3: Cross multiply
   2,591.39x = 3,886.18 × 1,130.22
4. Step 4: Simplify right side
   2,591.39x = 4,392,235.53
5. Step 5: Solve for x
   x = 4,392,235.53/2,591.39
6. Step 6: Final answer
   x = 1,694.93