Finding the Fourth Proportional to 1,506.81, 2,078.82 and 1,008.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,506.81 : 2,078.82 = 1,008.93 : x
2. Step 2: Convert to fraction form
   1,506.81/2,078.82 = 1,008.93/x
3. Step 3: Cross multiply
   1,506.81x = 2,078.82 × 1,008.93
4. Step 4: Simplify right side
   1,506.81x = 2,097,383.86
5. Step 5: Solve for x
   x = 2,097,383.86/1,506.81
6. Step 6: Final answer
   x = 1,391.94