Finding the Fourth Proportional to 1,087.42, 1,501.08 and 738.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.42 : 1,501.08 = 738.32 : x
2. Step 2: Convert to fraction form
   1,087.42/1,501.08 = 738.32/x
3. Step 3: Cross multiply
   1,087.42x = 1,501.08 × 738.32
4. Step 4: Simplify right side
   1,087.42x = 1,108,277.39
5. Step 5: Solve for x
   x = 1,108,277.39/1,087.42
6. Step 6: Final answer
   x = 1,019.18