Finding the Fourth Proportional to 1,426.86, 1,968.96 and 930.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.86 : 1,968.96 = 930.46 : x
2. Step 2: Convert to fraction form
   1,426.86/1,968.96 = 930.46/x
3. Step 3: Cross multiply
   1,426.86x = 1,968.96 × 930.46
4. Step 4: Simplify right side
   1,426.86x = 1,832,038.52
5. Step 5: Solve for x
   x = 1,832,038.52/1,426.86
6. Step 6: Final answer
   x = 1,283.97