Finding the Fourth Proportional to 3,151.40, 4,727.61 and 1,071.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,151.40 : 4,727.61 = 1,071.59 : x
2. Step 2: Convert to fraction form
   3,151.40/4,727.61 = 1,071.59/x
3. Step 3: Cross multiply
   3,151.40x = 4,727.61 × 1,071.59
4. Step 4: Simplify right side
   3,151.40x = 5,066,035.96
5. Step 5: Solve for x
   x = 5,066,035.96/3,151.40
6. Step 6: Final answer
   x = 1,607.55