Finding the Fourth Proportional to 49,699.82, 68,585.72 and 28,491.38

Step by Step Solution

1. Step 1: Write the proportion equation
   49,699.82 : 68,585.72 = 28,491.38 : x
2. Step 2: Convert to fraction form
   49,699.82/68,585.72 = 28,491.38/x
3. Step 3: Cross multiply
   49,699.82x = 68,585.72 × 28,491.38
4. Step 4: Simplify right side
   49,699.82x = 1,954,101,811.09
5. Step 5: Solve for x
   x = 1,954,101,811.09/49,699.82
6. Step 6: Final answer
   x = 39,318.09