Finding the Fourth Proportional to 1,071.48, 1,467.53 and 1,008.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.48 : 1,467.53 = 1,008.42 : x
2. Step 2: Convert to fraction form
   1,071.48/1,467.53 = 1,008.42/x
3. Step 3: Cross multiply
   1,071.48x = 1,467.53 × 1,008.42
4. Step 4: Simplify right side
   1,071.48x = 1,479,886.60
5. Step 5: Solve for x
   x = 1,479,886.60/1,071.48
6. Step 6: Final answer
   x = 1,381.16