Finding the Fourth Proportional to 55,642.35, 76,786.35 and 30,149.39

Step by Step Solution

1. Step 1: Write the proportion equation
   55,642.35 : 76,786.35 = 30,149.39 : x
2. Step 2: Convert to fraction form
   55,642.35/76,786.35 = 30,149.39/x
3. Step 3: Cross multiply
   55,642.35x = 76,786.35 × 30,149.39
4. Step 4: Simplify right side
   55,642.35x = 2,315,061,228.89
5. Step 5: Solve for x
   x = 2,315,061,228.89/55,642.35
6. Step 6: Final answer
   x = 41,606.10