Finding the Fourth Proportional to 49,123.77, 73,615.26 and 28,020.15

Step by Step Solution

1. Step 1: Write the proportion equation
   49,123.77 : 73,615.26 = 28,020.15 : x
2. Step 2: Convert to fraction form
   49,123.77/73,615.26 = 28,020.15/x
3. Step 3: Cross multiply
   49,123.77x = 73,615.26 × 28,020.15
4. Step 4: Simplify right side
   49,123.77x = 2,062,710,627.49
5. Step 5: Solve for x
   x = 2,062,710,627.49/49,123.77
6. Step 6: Final answer
   x = 41,990.07