Finding the Fourth Proportional to 49,858.77, 68,820.60 and 30,744.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,858.77 : 68,820.60 = 30,744.56 : x
2. Step 2: Convert to fraction form
   49,858.77/68,820.60 = 30,744.56/x
3. Step 3: Cross multiply
   49,858.77x = 68,820.60 × 30,744.56
4. Step 4: Simplify right side
   49,858.77x = 2,115,859,353.28
5. Step 5: Solve for x
   x = 2,115,859,353.28/49,858.77
6. Step 6: Final answer
   x = 42,437.05