Finding the Fourth Proportional to 3,142.76, 4,715.34 and 1,169.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,142.76 : 4,715.34 = 1,169.60 : x
2. Step 2: Convert to fraction form
   3,142.76/4,715.34 = 1,169.60/x
3. Step 3: Cross multiply
   3,142.76x = 4,715.34 × 1,169.60
4. Step 4: Simplify right side
   3,142.76x = 5,515,061.66
5. Step 5: Solve for x
   x = 5,515,061.66/3,142.76
6. Step 6: Final answer
   x = 1,754.85