Finding the Fourth Proportional to 437,707.89, 604,036.71 and 236,503.89

Step by Step Solution

1. Step 1: Write the proportion equation
   437,707.89 : 604,036.71 = 236,503.89 : x
2. Step 2: Convert to fraction form
   437,707.89/604,036.71 = 236,503.89/x
3. Step 3: Cross multiply
   437,707.89x = 604,036.71 × 236,503.89
4. Step 4: Simplify right side
   437,707.89x = 142,857,031,617.80
5. Step 5: Solve for x
   x = 142,857,031,617.80/437,707.89
6. Step 6: Final answer
   x = 326,375.27