Finding the Fourth Proportional to 1,196.81, 1,795.82 and 619.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.81 : 1,795.82 = 619.68 : x
2. Step 2: Convert to fraction form
   1,196.81/1,795.82 = 619.68/x
3. Step 3: Cross multiply
   1,196.81x = 1,795.82 × 619.68
4. Step 4: Simplify right side
   1,196.81x = 1,112,830.64
5. Step 5: Solve for x
   x = 1,112,830.64/1,196.81
6. Step 6: Final answer
   x = 929.83