Finding the Fourth Proportional to 451,856.86, 677,312.37 and 152,233.92

Step by Step Solution

1. Step 1: Write the proportion equation
   451,856.86 : 677,312.37 = 152,233.92 : x
2. Step 2: Convert to fraction form
   451,856.86/677,312.37 = 152,233.92/x
3. Step 3: Cross multiply
   451,856.86x = 677,312.37 × 152,233.92
4. Step 4: Simplify right side
   451,856.86x = 103,109,917,149.59
5. Step 5: Solve for x
   x = 103,109,917,149.59/451,856.86
6. Step 6: Final answer
   x = 228,191.55