Finding the Fourth Proportional to 1,007.41, 1,389.52 and 973.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007.41 : 1,389.52 = 973.54 : x
2. Step 2: Convert to fraction form
   1,007.41/1,389.52 = 973.54/x
3. Step 3: Cross multiply
   1,007.41x = 1,389.52 × 973.54
4. Step 4: Simplify right side
   1,007.41x = 1,352,753.30
5. Step 5: Solve for x
   x = 1,352,753.30/1,007.41
6. Step 6: Final answer
   x = 1,342.80