Finding the Fourth Proportional to 49,886.82, 68,850.72 and 28,665.63

Step by Step Solution

1. Step 1: Write the proportion equation
   49,886.82 : 68,850.72 = 28,665.63 : x
2. Step 2: Convert to fraction form
   49,886.82/68,850.72 = 28,665.63/x
3. Step 3: Cross multiply
   49,886.82x = 68,850.72 × 28,665.63
4. Step 4: Simplify right side
   49,886.82x = 1,973,649,264.75
5. Step 5: Solve for x
   x = 1,973,649,264.75/49,886.82
6. Step 6: Final answer
   x = 39,562.54