Finding the Fourth Proportional to 10,667.93, 16,006.05 and 4,426.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.93 : 16,006.05 = 4,426.37 : x
2. Step 2: Convert to fraction form
   10,667.93/16,006.05 = 4,426.37/x
3. Step 3: Cross multiply
   10,667.93x = 16,006.05 × 4,426.37
4. Step 4: Simplify right side
   10,667.93x = 70,848,619.51
5. Step 5: Solve for x
   x = 70,848,619.51/10,667.93
6. Step 6: Final answer
   x = 6,641.27