Finding the Fourth Proportional to 2,428.41, 3,643.76 and 1,196.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428.41 : 3,643.76 = 1,196.86 : x
2. Step 2: Convert to fraction form
   2,428.41/3,643.76 = 1,196.86/x
3. Step 3: Cross multiply
   2,428.41x = 3,643.76 × 1,196.86
4. Step 4: Simplify right side
   2,428.41x = 4,361,064.61
5. Step 5: Solve for x
   x = 4,361,064.61/2,428.41
6. Step 6: Final answer
   x = 1,795.85