Finding the Fourth Proportional to 1,111.58, 1,533.19 and 738.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.58 : 1,533.19 = 738.37 : x
2. Step 2: Convert to fraction form
   1,111.58/1,533.19 = 738.37/x
3. Step 3: Cross multiply
   1,111.58x = 1,533.19 × 738.37
4. Step 4: Simplify right side
   1,111.58x = 1,132,061.50
5. Step 5: Solve for x
   x = 1,132,061.50/1,111.58
6. Step 6: Final answer
   x = 1,018.43