Finding the Fourth Proportional to 9,004.92, 13,508.58 and 3,160.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,004.92 : 13,508.58 = 3,160.74 : x
2. Step 2: Convert to fraction form
   9,004.92/13,508.58 = 3,160.74/x
3. Step 3: Cross multiply
   9,004.92x = 13,508.58 × 3,160.74
4. Step 4: Simplify right side
   9,004.92x = 42,697,109.15
5. Step 5: Solve for x
   x = 42,697,109.15/9,004.92
6. Step 6: Final answer
   x = 4,741.53