Finding the Fourth Proportional to 1,426.60, 1,968.66 and 837.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.60 : 1,968.66 = 837.53 : x
2. Step 2: Convert to fraction form
   1,426.60/1,968.66 = 837.53/x
3. Step 3: Cross multiply
   1,426.60x = 1,968.66 × 837.53
4. Step 4: Simplify right side
   1,426.60x = 1,648,811.81
5. Step 5: Solve for x
   x = 1,648,811.81/1,426.60
6. Step 6: Final answer
   x = 1,155.76