Finding the Fourth Proportional to 9,164.04, 12,637.12 and 8,152.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,164.04 : 12,637.12 = 8,152.56 : x
2. Step 2: Convert to fraction form
   9,164.04/12,637.12 = 8,152.56/x
3. Step 3: Cross multiply
   9,164.04x = 12,637.12 × 8,152.56
4. Step 4: Simplify right side
   9,164.04x = 103,024,879.03
5. Step 5: Solve for x
   x = 103,024,879.03/9,164.04
6. Step 6: Final answer
   x = 11,242.30