Finding the Fourth Proportional to 1,196.61, 1,793.71 and 503.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.61 : 1,793.71 = 503.74 : x
2. Step 2: Convert to fraction form
   1,196.61/1,793.71 = 503.74/x
3. Step 3: Cross multiply
   1,196.61x = 1,793.71 × 503.74
4. Step 4: Simplify right side
   1,196.61x = 903,563.48
5. Step 5: Solve for x
   x = 903,563.48/1,196.61
6. Step 6: Final answer
   x = 755.10