Finding the Fourth Proportional to 1,419.16, 1,959.10 and 947.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.16 : 1,959.10 = 947.84 : x
2. Step 2: Convert to fraction form
   1,419.16/1,959.10 = 947.84/x
3. Step 3: Cross multiply
   1,419.16x = 1,959.10 × 947.84
4. Step 4: Simplify right side
   1,419.16x = 1,856,913.34
5. Step 5: Solve for x
   x = 1,856,913.34/1,419.16
6. Step 6: Final answer
   x = 1,308.46