Finding the Fourth Proportional to 1,417.02, 1,955.34 and 819.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.02 : 1,955.34 = 819.42 : x
2. Step 2: Convert to fraction form
   1,417.02/1,955.34 = 819.42/x
3. Step 3: Cross multiply
   1,417.02x = 1,955.34 × 819.42
4. Step 4: Simplify right side
   1,417.02x = 1,602,257.33
5. Step 5: Solve for x
   x = 1,602,257.33/1,417.02
6. Step 6: Final answer
   x = 1,130.72