Finding the Fourth Proportional to 1,882.47, 2,598.57 and 1,219.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,882.47 : 2,598.57 = 1,219.89 : x
2. Step 2: Convert to fraction form
   1,882.47/2,598.57 = 1,219.89/x
3. Step 3: Cross multiply
   1,882.47x = 2,598.57 × 1,219.89
4. Step 4: Simplify right side
   1,882.47x = 3,169,969.56
5. Step 5: Solve for x
   x = 3,169,969.56/1,882.47
6. Step 6: Final answer
   x = 1,683.94