Finding the Fourth Proportional to 259,592.49, 389,429.90 and 109,833.89

Step by Step Solution

1. Step 1: Write the proportion equation
   259,592.49 : 389,429.90 = 109,833.89 : x
2. Step 2: Convert to fraction form
   259,592.49/389,429.90 = 109,833.89/x
3. Step 3: Cross multiply
   259,592.49x = 389,429.90 × 109,833.89
4. Step 4: Simplify right side
   259,592.49x = 42,772,601,214.32
5. Step 5: Solve for x
   x = 42,772,601,214.32/259,592.49
6. Step 6: Final answer
   x = 164,768.26