Finding the Fourth Proportional to 9,158.38, 12,631.89 and 5,801.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,158.38 : 12,631.89 = 5,801.74 : x
2. Step 2: Convert to fraction form
   9,158.38/12,631.89 = 5,801.74/x
3. Step 3: Cross multiply
   9,158.38x = 12,631.89 × 5,801.74
4. Step 4: Simplify right side
   9,158.38x = 73,286,941.49
5. Step 5: Solve for x
   x = 73,286,941.49/9,158.38
6. Step 6: Final answer
   x = 8,002.17