Finding the Fourth Proportional to 1,426.95, 1,969.22 and 837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.95 : 1,969.22 = 837.50 : x
2. Step 2: Convert to fraction form
   1,426.95/1,969.22 = 837.50/x
3. Step 3: Cross multiply
   1,426.95x = 1,969.22 × 837.50
4. Step 4: Simplify right side
   1,426.95x = 1,649,207.72
5. Step 5: Solve for x
   x = 1,649,207.72/1,426.95
6. Step 6: Final answer
   x = 1,155.76