Finding the Fourth Proportional to 49,180.32, 67,858.43 and 31,268.79

Step by Step Solution

1. Step 1: Write the proportion equation
   49,180.32 : 67,858.43 = 31,268.79 : x
2. Step 2: Convert to fraction form
   49,180.32/67,858.43 = 31,268.79/x
3. Step 3: Cross multiply
   49,180.32x = 67,858.43 × 31,268.79
4. Step 4: Simplify right side
   49,180.32x = 2,121,850,841.06
5. Step 5: Solve for x
   x = 2,121,850,841.06/49,180.32
6. Step 6: Final answer
   x = 43,144.31