Finding the Fourth Proportional to 49,105.95, 67,763.01 and 28,958.20

Step by Step Solution

1. Step 1: Write the proportion equation
   49,105.95 : 67,763.01 = 28,958.20 : x
2. Step 2: Convert to fraction form
   49,105.95/67,763.01 = 28,958.20/x
3. Step 3: Cross multiply
   49,105.95x = 67,763.01 × 28,958.20
4. Step 4: Simplify right side
   49,105.95x = 1,962,294,796.18
5. Step 5: Solve for x
   x = 1,962,294,796.18/49,105.95
6. Step 6: Final answer
   x = 39,960.43