Finding the Fourth Proportional to 49,042.35, 67,667.67 and 31,130.82

Step by Step Solution

1. Step 1: Write the proportion equation
   49,042.35 : 67,667.67 = 31,130.82 : x
2. Step 2: Convert to fraction form
   49,042.35/67,667.67 = 31,130.82/x
3. Step 3: Cross multiply
   49,042.35x = 67,667.67 × 31,130.82
4. Step 4: Simplify right side
   49,042.35x = 2,106,550,054.59
5. Step 5: Solve for x
   x = 2,106,550,054.59/49,042.35
6. Step 6: Final answer
   x = 42,953.69