Finding the Fourth Proportional to 55,556.15, 76,667.31 and 30,062.61

Step by Step Solution

1. Step 1: Write the proportion equation
   55,556.15 : 76,667.31 = 30,062.61 : x
2. Step 2: Convert to fraction form
   55,556.15/76,667.31 = 30,062.61/x
3. Step 3: Cross multiply
   55,556.15x = 76,667.31 × 30,062.61
4. Step 4: Simplify right side
   55,556.15x = 2,304,819,440.28
5. Step 5: Solve for x
   x = 2,304,819,440.28/55,556.15
6. Step 6: Final answer
   x = 41,486.31