Finding the Fourth Proportional to 1,396.60, 2,096.34 and 1,046.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396.60 : 2,096.34 = 1,046.50 : x
2. Step 2: Convert to fraction form
   1,396.60/2,096.34 = 1,046.50/x
3. Step 3: Cross multiply
   1,396.60x = 2,096.34 × 1,046.50
4. Step 4: Simplify right side
   1,396.60x = 2,193,819.81
5. Step 5: Solve for x
   x = 2,193,819.81/1,396.60
6. Step 6: Final answer
   x = 1,570.83