Finding the Fourth Proportional to 308,288.72, 462,117.77 and 156,204.07

Step by Step Solution

1. Step 1: Write the proportion equation
   308,288.72 : 462,117.77 = 156,204.07 : x
2. Step 2: Convert to fraction form
   308,288.72/462,117.77 = 156,204.07/x
3. Step 3: Cross multiply
   308,288.72x = 462,117.77 × 156,204.07
4. Step 4: Simplify right side
   308,288.72x = 72,184,673,401.71
5. Step 5: Solve for x
   x = 72,184,673,401.71/308,288.72
6. Step 6: Final answer
   x = 234,146.33