Finding the Fourth Proportional to 9,164.72, 12,642.36 and 5,801.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,164.72 : 12,642.36 = 5,801.28 : x
2. Step 2: Convert to fraction form
   9,164.72/12,642.36 = 5,801.28/x
3. Step 3: Cross multiply
   9,164.72x = 12,642.36 × 5,801.28
4. Step 4: Simplify right side
   9,164.72x = 73,341,870.22
5. Step 5: Solve for x
   x = 73,341,870.22/9,164.72
6. Step 6: Final answer
   x = 8,002.63