Finding the Fourth Proportional to 49,808.79, 68,736.15 and 28,298.57

Step by Step Solution

1. Step 1: Write the proportion equation
   49,808.79 : 68,736.15 = 28,298.57 : x
2. Step 2: Convert to fraction form
   49,808.79/68,736.15 = 28,298.57/x
3. Step 3: Cross multiply
   49,808.79x = 68,736.15 × 28,298.57
4. Step 4: Simplify right side
   49,808.79x = 1,945,134,994.89
5. Step 5: Solve for x
   x = 1,945,134,994.89/49,808.79
6. Step 6: Final answer
   x = 39,052.04