Finding the Fourth Proportional to 1,965.94, 2,947.52 and 925.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965.94 : 2,947.52 = 925.76 : x
2. Step 2: Convert to fraction form
   1,965.94/2,947.52 = 925.76/x
3. Step 3: Cross multiply
   1,965.94x = 2,947.52 × 925.76
4. Step 4: Simplify right side
   1,965.94x = 2,728,705.80
5. Step 5: Solve for x
   x = 2,728,705.80/1,965.94
6. Step 6: Final answer
   x = 1,387.99