Finding the Fourth Proportional to 12,973.70, 17,902.49 and 7,667.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,973.70 : 17,902.49 = 7,667.48 : x
2. Step 2: Convert to fraction form
   12,973.70/17,902.49 = 7,667.48/x
3. Step 3: Cross multiply
   12,973.70x = 17,902.49 × 7,667.48
4. Step 4: Simplify right side
   12,973.70x = 137,266,856.18
5. Step 5: Solve for x
   x = 137,266,856.18/12,973.70
6. Step 6: Final answer
   x = 10,580.40