Finding the Fourth Proportional to 259,063.65, 388,647.88 and 109,304.27

Step by Step Solution

1. Step 1: Write the proportion equation
   259,063.65 : 388,647.88 = 109,304.27 : x
2. Step 2: Convert to fraction form
   259,063.65/388,647.88 = 109,304.27/x
3. Step 3: Cross multiply
   259,063.65x = 388,647.88 × 109,304.27
4. Step 4: Simplify right side
   259,063.65x = 42,480,872,810.45
5. Step 5: Solve for x
   x = 42,480,872,810.45/259,063.65
6. Step 6: Final answer
   x = 163,978.52