Finding the Fourth Proportional to 1,008.42, 1,501.71 and 946.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008.42 : 1,501.71 = 946.14 : x
2. Step 2: Convert to fraction form
   1,008.42/1,501.71 = 946.14/x
3. Step 3: Cross multiply
   1,008.42x = 1,501.71 × 946.14
4. Step 4: Simplify right side
   1,008.42x = 1,420,827.90
5. Step 5: Solve for x
   x = 1,420,827.90/1,008.42
6. Step 6: Final answer
   x = 1,408.96