Finding the Fourth Proportional to 49,536.48, 68,361.50 and 28,317.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,536.48 : 68,361.50 = 28,317.72 : x
2. Step 2: Convert to fraction form
   49,536.48/68,361.50 = 28,317.72/x
3. Step 3: Cross multiply
   49,536.48x = 68,361.50 × 28,317.72
4. Step 4: Simplify right side
   49,536.48x = 1,935,841,815.78
5. Step 5: Solve for x
   x = 1,935,841,815.78/49,536.48
6. Step 6: Final answer
   x = 39,079.12