Finding the Fourth Proportional to 55,295.39, 76,307.67 and 30,144.89

Step by Step Solution

1. Step 1: Write the proportion equation
   55,295.39 : 76,307.67 = 30,144.89 : x
2. Step 2: Convert to fraction form
   55,295.39/76,307.67 = 30,144.89/x
3. Step 3: Cross multiply
   55,295.39x = 76,307.67 × 30,144.89
4. Step 4: Simplify right side
   55,295.39x = 2,300,285,936.77
5. Step 5: Solve for x
   x = 2,300,285,936.77/55,295.39
6. Step 6: Final answer
   x = 41,599.96