Finding the Fourth Proportional to 8,973.45, 12,384.34 and 5,196.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,973.45 : 12,384.34 = 5,196.56 : x
2. Step 2: Convert to fraction form
   8,973.45/12,384.34 = 5,196.56/x
3. Step 3: Cross multiply
   8,973.45x = 12,384.34 × 5,196.56
4. Step 4: Simplify right side
   8,973.45x = 64,355,890.96
5. Step 5: Solve for x
   x = 64,355,890.96/8,973.45
6. Step 6: Final answer
   x = 7,171.81