Finding the Fourth Proportional to 50,664, 69,916.32 and 28,308

Step by Step Solution

1. Step 1: Write the proportion equation
   50,664 : 69,916.32 = 28,308 : x
2. Step 2: Convert to fraction form
   50,664/69,916.32 = 28,308/x
3. Step 3: Cross multiply
   50,664x = 69,916.32 × 28,308
4. Step 4: Simplify right side
   50,664x = 1,979,191,186.56
5. Step 5: Solve for x
   x = 1,979,191,186.56/50,664
6. Step 6: Final answer
   x = 39,065.04