Finding the Fourth Proportional to 1,150.98, 1,589.22 and 901.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.98 : 1,589.22 = 901.86 : x
2. Step 2: Convert to fraction form
   1,150.98/1,589.22 = 901.86/x
3. Step 3: Cross multiply
   1,150.98x = 1,589.22 × 901.86
4. Step 4: Simplify right side
   1,150.98x = 1,433,253.95
5. Step 5: Solve for x
   x = 1,433,253.95/1,150.98
6. Step 6: Final answer
   x = 1,245.25