Finding the Fourth Proportional to 5,171,976.72, 7,137,516.42 and 3,212,934.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,171,976.72 : 7,137,516.42 = 3,212,934.48 : x
2. Step 2: Convert to fraction form
   5,171,976.72/7,137,516.42 = 3,212,934.48/x
3. Step 3: Cross multiply
   5,171,976.72x = 7,137,516.42 × 3,212,934.48
4. Step 4: Simplify right side
   5,171,976.72x = 22,932,372,607,384.16
5. Step 5: Solve for x
   x = 22,932,372,607,384.16/5,171,976.72
6. Step 6: Final answer
   x = 4,433,966.71