Finding the Fourth Proportional to 3,758.54, 5,636.38 and 1,259.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.54 : 5,636.38 = 1,259.22 : x
2. Step 2: Convert to fraction form
   3,758.54/5,636.38 = 1,259.22/x
3. Step 3: Cross multiply
   3,758.54x = 5,636.38 × 1,259.22
4. Step 4: Simplify right side
   3,758.54x = 7,097,442.42
5. Step 5: Solve for x
   x = 7,097,442.42/3,758.54
6. Step 6: Final answer
   x = 1,888.35