Finding the Fourth Proportional to 1,958.96, 2,705.74 and 1,427

Step by Step Solution

1. Step 1: Write the proportion equation
   1,958.96 : 2,705.74 = 1,427 : x
2. Step 2: Convert to fraction form
   1,958.96/2,705.74 = 1,427/x
3. Step 3: Cross multiply
   1,958.96x = 2,705.74 × 1,427
4. Step 4: Simplify right side
   1,958.96x = 3,861,090.98
5. Step 5: Solve for x
   x = 3,861,090.98/1,958.96
6. Step 6: Final answer
   x = 1,970.99