Finding the Fourth Proportional to 437,859.50, 604,245.83 and 236,655.50

Step by Step Solution

1. Step 1: Write the proportion equation
   437,859.50 : 604,245.83 = 236,655.50 : x
2. Step 2: Convert to fraction form
   437,859.50/604,245.83 = 236,655.50/x
3. Step 3: Cross multiply
   437,859.50x = 604,245.83 × 236,655.50
4. Step 4: Simplify right side
   437,859.50x = 142,998,094,817.06
5. Step 5: Solve for x
   x = 142,998,094,817.06/437,859.50
6. Step 6: Final answer
   x = 326,584.43