Finding the Fourth Proportional to 2,119.01, 3,180.15 and 948.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.01 : 3,180.15 = 948.56 : x
2. Step 2: Convert to fraction form
   2,119.01/3,180.15 = 948.56/x
3. Step 3: Cross multiply
   2,119.01x = 3,180.15 × 948.56
4. Step 4: Simplify right side
   2,119.01x = 3,016,547.18
5. Step 5: Solve for x
   x = 3,016,547.18/2,119.01
6. Step 6: Final answer
   x = 1,423.57