Finding the Fourth Proportional to 1,070.34, 1,476.42 and 738.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,070.34 : 1,476.42 = 738.18 : x
2. Step 2: Convert to fraction form
   1,070.34/1,476.42 = 738.18/x
3. Step 3: Cross multiply
   1,070.34x = 1,476.42 × 738.18
4. Step 4: Simplify right side
   1,070.34x = 1,089,863.72
5. Step 5: Solve for x
   x = 1,089,863.72/1,070.34
6. Step 6: Final answer
   x = 1,018.24