Finding the Fourth Proportional to 266,667.76, 367,994.44 and 157,777.72

Step by Step Solution

1. Step 1: Write the proportion equation
   266,667.76 : 367,994.44 = 157,777.72 : x
2. Step 2: Convert to fraction form
   266,667.76/367,994.44 = 157,777.72/x
3. Step 3: Cross multiply
   266,667.76x = 367,994.44 × 157,777.72
4. Step 4: Simplify right side
   266,667.76x = 58,061,323,715.88
5. Step 5: Solve for x
   x = 58,061,323,715.88/266,667.76
6. Step 6: Final answer
   x = 217,729.07