Finding the Fourth Proportional to 1,384.56, 1,911.33 and 1,194.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.56 : 1,911.33 = 1,194.75 : x
2. Step 2: Convert to fraction form
   1,384.56/1,911.33 = 1,194.75/x
3. Step 3: Cross multiply
   1,384.56x = 1,911.33 × 1,194.75
4. Step 4: Simplify right side
   1,384.56x = 2,283,561.52
5. Step 5: Solve for x
   x = 2,283,561.52/1,384.56
6. Step 6: Final answer
   x = 1,649.30