Finding the Fourth Proportional to 1,426.91, 2,141.39 and 503.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.91 : 2,141.39 = 503.25 : x
2. Step 2: Convert to fraction form
   1,426.91/2,141.39 = 503.25/x
3. Step 3: Cross multiply
   1,426.91x = 2,141.39 × 503.25
4. Step 4: Simplify right side
   1,426.91x = 1,077,654.52
5. Step 5: Solve for x
   x = 1,077,654.52/1,426.91
6. Step 6: Final answer
   x = 755.24