Finding the Fourth Proportional to 9,667.72, 13,342.32 and 5,889.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.72 : 13,342.32 = 5,889.98 : x
2. Step 2: Convert to fraction form
   9,667.72/13,342.32 = 5,889.98/x
3. Step 3: Cross multiply
   9,667.72x = 13,342.32 × 5,889.98
4. Step 4: Simplify right side
   9,667.72x = 78,585,997.95
5. Step 5: Solve for x
   x = 78,585,997.95/9,667.72
6. Step 6: Final answer
   x = 8,128.70