Finding the Fourth Proportional to 12,667.62, 19,004.23 and 4,347.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.62 : 19,004.23 = 4,347.45 : x
2. Step 2: Convert to fraction form
   12,667.62/19,004.23 = 4,347.45/x
3. Step 3: Cross multiply
   12,667.62x = 19,004.23 × 4,347.45
4. Step 4: Simplify right side
   12,667.62x = 82,619,939.71
5. Step 5: Solve for x
   x = 82,619,939.71/12,667.62
6. Step 6: Final answer
   x = 6,522.14