Finding the Fourth Proportional to 1,007.91, 1,513.01 and 1,003.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007.91 : 1,513.01 = 1,003.46 : x
2. Step 2: Convert to fraction form
   1,007.91/1,513.01 = 1,003.46/x
3. Step 3: Cross multiply
   1,007.91x = 1,513.01 × 1,003.46
4. Step 4: Simplify right side
   1,007.91x = 1,518,239.96
5. Step 5: Solve for x
   x = 1,518,239.96/1,007.91
6. Step 6: Final answer
   x = 1,506.32