Finding the Fourth Proportional to 2,925.71, 4,388.39 and 951.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,925.71 : 4,388.39 = 951.31 : x
2. Step 2: Convert to fraction form
   2,925.71/4,388.39 = 951.31/x
3. Step 3: Cross multiply
   2,925.71x = 4,388.39 × 951.31
4. Step 4: Simplify right side
   2,925.71x = 4,174,692.59
5. Step 5: Solve for x
   x = 4,174,692.59/2,925.71
6. Step 6: Final answer
   x = 1,426.90