Finding the Fourth Proportional to 3,131.64, 4,695.98 and 1,156.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131.64 : 4,695.98 = 1,156.62 : x
2. Step 2: Convert to fraction form
   3,131.64/4,695.98 = 1,156.62/x
3. Step 3: Cross multiply
   3,131.64x = 4,695.98 × 1,156.62
4. Step 4: Simplify right side
   3,131.64x = 5,431,458.60
5. Step 5: Solve for x
   x = 5,431,458.60/3,131.64
6. Step 6: Final answer
   x = 1,734.38