Finding the Fourth Proportional to 259,332.10, 389,050.56 and 109,572.82

Step by Step Solution

1. Step 1: Write the proportion equation
   259,332.10 : 389,050.56 = 109,572.82 : x
2. Step 2: Convert to fraction form
   259,332.10/389,050.56 = 109,572.82/x
3. Step 3: Cross multiply
   259,332.10x = 389,050.56 × 109,572.82
4. Step 4: Simplify right side
   259,332.10x = 42,629,366,981.78
5. Step 5: Solve for x
   x = 42,629,366,981.78/259,332.10
6. Step 6: Final answer
   x = 164,381.37