Finding the Fourth Proportional to 49,316.73, 68,003.58 and 31,388.82

Step by Step Solution

1. Step 1: Write the proportion equation
   49,316.73 : 68,003.58 = 31,388.82 : x
2. Step 2: Convert to fraction form
   49,316.73/68,003.58 = 31,388.82/x
3. Step 3: Cross multiply
   49,316.73x = 68,003.58 × 31,388.82
4. Step 4: Simplify right side
   49,316.73x = 2,134,552,131.98
5. Step 5: Solve for x
   x = 2,134,552,131.98/49,316.73
6. Step 6: Final answer
   x = 43,282.52