Finding the Fourth Proportional to 9,003.42, 13,495.68 and 3,155.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,003.42 : 13,495.68 = 3,155.67 : x
2. Step 2: Convert to fraction form
   9,003.42/13,495.68 = 3,155.67/x
3. Step 3: Cross multiply
   9,003.42x = 13,495.68 × 3,155.67
4. Step 4: Simplify right side
   9,003.42x = 42,587,912.51
5. Step 5: Solve for x
   x = 42,587,912.51/9,003.42
6. Step 6: Final answer
   x = 4,730.19