Finding the Fourth Proportional to 1,030.38, 1,547.31 and 984.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.38 : 1,547.31 = 984.18 : x
2. Step 2: Convert to fraction form
   1,030.38/1,547.31 = 984.18/x
3. Step 3: Cross multiply
   1,030.38x = 1,547.31 × 984.18
4. Step 4: Simplify right side
   1,030.38x = 1,522,831.56
5. Step 5: Solve for x
   x = 1,522,831.56/1,030.38
6. Step 6: Final answer
   x = 1,477.93