Finding the Fourth Proportional to 451,955.86, 677,667.99 and 171,492.82

Step by Step Solution

1. Step 1: Write the proportion equation
   451,955.86 : 677,667.99 = 171,492.82 : x
2. Step 2: Convert to fraction form
   451,955.86/677,667.99 = 171,492.82/x
3. Step 3: Cross multiply
   451,955.86x = 677,667.99 × 171,492.82
4. Step 4: Simplify right side
   451,955.86x = 116,215,194,628.83
5. Step 5: Solve for x
   x = 116,215,194,628.83/451,955.86
6. Step 6: Final answer
   x = 257,138.37