Finding the Fourth Proportional to 49,648.95, 68,516.85 and 28,435.05

Step by Step Solution

1. Step 1: Write the proportion equation
   49,648.95 : 68,516.85 = 28,435.05 : x
2. Step 2: Convert to fraction form
   49,648.95/68,516.85 = 28,435.05/x
3. Step 3: Cross multiply
   49,648.95x = 68,516.85 × 28,435.05
4. Step 4: Simplify right side
   49,648.95x = 1,948,280,055.59
5. Step 5: Solve for x
   x = 1,948,280,055.59/49,648.95
6. Step 6: Final answer
   x = 39,241.11