Finding the Fourth Proportional to 49,317.73, 68,004.96 and 31,389.82

Step by Step Solution

1. Step 1: Write the proportion equation
   49,317.73 : 68,004.96 = 31,389.82 : x
2. Step 2: Convert to fraction form
   49,317.73/68,004.96 = 31,389.82/x
3. Step 3: Cross multiply
   49,317.73x = 68,004.96 × 31,389.82
4. Step 4: Simplify right side
   49,317.73x = 2,134,663,453.51
5. Step 5: Solve for x
   x = 2,134,663,453.51/49,317.73
6. Step 6: Final answer
   x = 43,283.90