Finding the Fourth Proportional to 1,158.73, 1,599.29 and 738.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.73 : 1,599.29 = 738.98 : x
2. Step 2: Convert to fraction form
   1,158.73/1,599.29 = 738.98/x
3. Step 3: Cross multiply
   1,158.73x = 1,599.29 × 738.98
4. Step 4: Simplify right side
   1,158.73x = 1,181,843.32
5. Step 5: Solve for x
   x = 1,181,843.32/1,158.73
6. Step 6: Final answer
   x = 1,019.95