Finding the Fourth Proportional to 49,045.35, 67,671.81 and 31,133.82

Step by Step Solution

1. Step 1: Write the proportion equation
   49,045.35 : 67,671.81 = 31,133.82 : x
2. Step 2: Convert to fraction form
   49,045.35/67,671.81 = 31,133.82/x
3. Step 3: Cross multiply
   49,045.35x = 67,671.81 × 31,133.82
4. Step 4: Simplify right side
   49,045.35x = 2,106,881,951.61
5. Step 5: Solve for x
   x = 2,106,881,951.61/49,045.35
6. Step 6: Final answer
   x = 42,957.83