Finding the Fourth Proportional to 2,458.62, 3,686.72 and 1,071.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.62 : 3,686.72 = 1,071.70 : x
2. Step 2: Convert to fraction form
   2,458.62/3,686.72 = 1,071.70/x
3. Step 3: Cross multiply
   2,458.62x = 3,686.72 × 1,071.70
4. Step 4: Simplify right side
   2,458.62x = 3,951,057.82
5. Step 5: Solve for x
   x = 3,951,057.82/2,458.62
6. Step 6: Final answer
   x = 1,607.02