Finding the Fourth Proportional to 1,359.50, 1,876.59 and 945.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.50 : 1,876.59 = 945.74 : x
2. Step 2: Convert to fraction form
   1,359.50/1,876.59 = 945.74/x
3. Step 3: Cross multiply
   1,359.50x = 1,876.59 × 945.74
4. Step 4: Simplify right side
   1,359.50x = 1,774,766.23
5. Step 5: Solve for x
   x = 1,774,766.23/1,359.50
6. Step 6: Final answer
   x = 1,305.46