Finding the Fourth Proportional to 12,667.98, 17,481.60 and 7,362.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.98 : 17,481.60 = 7,362.84 : x
2. Step 2: Convert to fraction form
   12,667.98/17,481.60 = 7,362.84/x
3. Step 3: Cross multiply
   12,667.98x = 17,481.60 × 7,362.84
4. Step 4: Simplify right side
   12,667.98x = 128,714,223.74
5. Step 5: Solve for x
   x = 128,714,223.74/12,667.98
6. Step 6: Final answer
   x = 10,160.60