Finding the Fourth Proportional to 8,697.42, 13,038.32 and 3,149.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,697.42 : 13,038.32 = 3,149.46 : x
2. Step 2: Convert to fraction form
   8,697.42/13,038.32 = 3,149.46/x
3. Step 3: Cross multiply
   8,697.42x = 13,038.32 × 3,149.46
4. Step 4: Simplify right side
   8,697.42x = 41,063,667.31
5. Step 5: Solve for x
   x = 41,063,667.31/8,697.42
6. Step 6: Final answer
   x = 4,721.36