Finding the Fourth Proportional to 50,460, 69,636.96 and 28,104

Step by Step Solution

1. Step 1: Write the proportion equation
   50,460 : 69,636.96 = 28,104 : x
2. Step 2: Convert to fraction form
   50,460/69,636.96 = 28,104/x
3. Step 3: Cross multiply
   50,460x = 69,636.96 × 28,104
4. Step 4: Simplify right side
   50,460x = 1,957,077,123.84
5. Step 5: Solve for x
   x = 1,957,077,123.84/50,460
6. Step 6: Final answer
   x = 38,784.72