Finding the Fourth Proportional to 6,667.72, 10,000.14 and 3,156.22

Step by Step Solution

1. Step 1: Write the proportion equation
   6,667.72 : 10,000.14 = 3,156.22 : x
2. Step 2: Convert to fraction form
   6,667.72/10,000.14 = 3,156.22/x
3. Step 3: Cross multiply
   6,667.72x = 10,000.14 × 3,156.22
4. Step 4: Simplify right side
   6,667.72x = 31,562,641.87
5. Step 5: Solve for x
   x = 31,562,641.87/6,667.72
6. Step 6: Final answer
   x = 4,733.65