Finding the Fourth Proportional to 1,158.09, 1,597.89 and 896.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.09 : 1,597.89 = 896.86 : x
2. Step 2: Convert to fraction form
   1,158.09/1,597.89 = 896.86/x
3. Step 3: Cross multiply
   1,158.09x = 1,597.89 × 896.86
4. Step 4: Simplify right side
   1,158.09x = 1,433,083.63
5. Step 5: Solve for x
   x = 1,433,083.63/1,158.09
6. Step 6: Final answer
   x = 1,237.45