Finding the Fourth Proportional to 77,777.98, 116,667.33 and 27,176.79

Step by Step Solution

1. Step 1: Write the proportion equation
   77,777.98 : 116,667.33 = 27,176.79 : x
2. Step 2: Convert to fraction form
   77,777.98/116,667.33 = 27,176.79/x
3. Step 3: Cross multiply
   77,777.98x = 116,667.33 × 27,176.79
4. Step 4: Simplify right side
   77,777.98x = 3,170,643,527.27
5. Step 5: Solve for x
   x = 3,170,643,527.27/77,777.98
6. Step 6: Final answer
   x = 40,765.31