Finding the Fourth Proportional to 1,410.62, 1,946.64 and 789.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.62 : 1,946.64 = 789.62 : x
2. Step 2: Convert to fraction form
   1,410.62/1,946.64 = 789.62/x
3. Step 3: Cross multiply
   1,410.62x = 1,946.64 × 789.62
4. Step 4: Simplify right side
   1,410.62x = 1,537,099.10
5. Step 5: Solve for x
   x = 1,537,099.10/1,410.62
6. Step 6: Final answer
   x = 1,089.67