Finding the Fourth Proportional to 49,591.04, 68,401.67 and 31,678.09

Step by Step Solution

1. Step 1: Write the proportion equation
   49,591.04 : 68,401.67 = 31,678.09 : x
2. Step 2: Convert to fraction form
   49,591.04/68,401.67 = 31,678.09/x
3. Step 3: Cross multiply
   49,591.04x = 68,401.67 × 31,678.09
4. Step 4: Simplify right side
   49,591.04x = 2,166,833,929.02
5. Step 5: Solve for x
   x = 2,166,833,929.02/49,591.04
6. Step 6: Final answer
   x = 43,694.07