Finding the Fourth Proportional to 49,968.50, 68,971.91 and 28,761.89

Step by Step Solution

1. Step 1: Write the proportion equation
   49,968.50 : 68,971.91 = 28,761.89 : x
2. Step 2: Convert to fraction form
   49,968.50/68,971.91 = 28,761.89/x
3. Step 3: Cross multiply
   49,968.50x = 68,971.91 × 28,761.89
4. Step 4: Simplify right side
   49,968.50x = 1,983,761,999.84
5. Step 5: Solve for x
   x = 1,983,761,999.84/49,968.50
6. Step 6: Final answer
   x = 39,700.26