Finding the Fourth Proportional to 49,978.22, 68,973.27 and 28,762.70

Step by Step Solution

1. Step 1: Write the proportion equation
   49,978.22 : 68,973.27 = 28,762.70 : x
2. Step 2: Convert to fraction form
   49,978.22/68,973.27 = 28,762.70/x
3. Step 3: Cross multiply
   49,978.22x = 68,973.27 × 28,762.70
4. Step 4: Simplify right side
   49,978.22x = 1,983,857,473.03
5. Step 5: Solve for x
   x = 1,983,857,473.03/49,978.22
6. Step 6: Final answer
   x = 39,694.44