Finding the Fourth Proportional to 259,803, 388,578.72 and 152,932.26

Step by Step Solution

1. Step 1: Write the proportion equation
   259,803 : 388,578.72 = 152,932.26 : x
2. Step 2: Convert to fraction form
   259,803/388,578.72 = 152,932.26/x
3. Step 3: Cross multiply
   259,803x = 388,578.72 × 152,932.26
4. Step 4: Simplify right side
   259,803x = 59,426,221,837.51
5. Step 5: Solve for x
   x = 59,426,221,837.51/259,803
6. Step 6: Final answer
   x = 228,735.70