Finding the Fourth Proportional to 9,142.77, 13,719.89 and 3,595.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142.77 : 13,719.89 = 3,595.96 : x
2. Step 2: Convert to fraction form
   9,142.77/13,719.89 = 3,595.96/x
3. Step 3: Cross multiply
   9,142.77x = 13,719.89 × 3,595.96
4. Step 4: Simplify right side
   9,142.77x = 49,336,235.78
5. Step 5: Solve for x
   x = 49,336,235.78/9,142.77
6. Step 6: Final answer
   x = 5,396.20