Finding the Fourth Proportional to 50,178.42, 69,238.35 and 28,953.63

Step by Step Solution

1. Step 1: Write the proportion equation
   50,178.42 : 69,238.35 = 28,953.63 : x
2. Step 2: Convert to fraction form
   50,178.42/69,238.35 = 28,953.63/x
3. Step 3: Cross multiply
   50,178.42x = 69,238.35 × 28,953.63
4. Step 4: Simplify right side
   50,178.42x = 2,004,701,567.71
5. Step 5: Solve for x
   x = 2,004,701,567.71/50,178.42
6. Step 6: Final answer
   x = 39,951.47