Finding the Fourth Proportional to 259,807, 388,584.72 and 152,936.32

Step by Step Solution

1. Step 1: Write the proportion equation
   259,807 : 388,584.72 = 152,936.32 : x
2. Step 2: Convert to fraction form
   259,807/388,584.72 = 152,936.32/x
3. Step 3: Cross multiply
   259,807x = 388,584.72 × 152,936.32
4. Step 4: Simplify right side
   259,807x = 59,428,717,085.03
5. Step 5: Solve for x
   x = 59,428,717,085.03/259,807
6. Step 6: Final answer
   x = 228,741.79