Finding the Fourth Proportional to 49,131.19, 67,781.78 and 30,235.51

Step by Step Solution

1. Step 1: Write the proportion equation
   49,131.19 : 67,781.78 = 30,235.51 : x
2. Step 2: Convert to fraction form
   49,131.19/67,781.78 = 30,235.51/x
3. Step 3: Cross multiply
   49,131.19x = 67,781.78 × 30,235.51
4. Step 4: Simplify right side
   49,131.19x = 2,049,416,687.01
5. Step 5: Solve for x
   x = 2,049,416,687.01/49,131.19
6. Step 6: Final answer
   x = 41,713.15