Finding the Fourth Proportional to 1,196.07, 1,792.49 and 619.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.07 : 1,792.49 = 619.35 : x
2. Step 2: Convert to fraction form
   1,196.07/1,792.49 = 619.35/x
3. Step 3: Cross multiply
   1,196.07x = 1,792.49 × 619.35
4. Step 4: Simplify right side
   1,196.07x = 1,110,175.58
5. Step 5: Solve for x
   x = 1,110,175.58/1,196.07
6. Step 6: Final answer
   x = 928.19