Finding the Fourth Proportional to 9,009.42, 13,520.13 and 3,165.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,009.42 : 13,520.13 = 3,165.94 : x
2. Step 2: Convert to fraction form
   9,009.42/13,520.13 = 3,165.94/x
3. Step 3: Cross multiply
   9,009.42x = 13,520.13 × 3,165.94
4. Step 4: Simplify right side
   9,009.42x = 42,803,920.37
5. Step 5: Solve for x
   x = 42,803,920.37/9,009.42
6. Step 6: Final answer
   x = 4,751.02