Finding the Fourth Proportional to 259,385.52, 389,118.76 and 109,626.48

Step by Step Solution

1. Step 1: Write the proportion equation
   259,385.52 : 389,118.76 = 109,626.48 : x
2. Step 2: Convert to fraction form
   259,385.52/389,118.76 = 109,626.48/x
3. Step 3: Cross multiply
   259,385.52x = 389,118.76 × 109,626.48
4. Step 4: Simplify right side
   259,385.52x = 42,657,719,960.76
5. Step 5: Solve for x
   x = 42,657,719,960.76/259,385.52
6. Step 6: Final answer
   x = 164,456.83