Finding the Fourth Proportional to 429,564.50, 592,825.78 and 238,577.42

Step by Step Solution

1. Step 1: Write the proportion equation
   429,564.50 : 592,825.78 = 238,577.42 : x
2. Step 2: Convert to fraction form
   429,564.50/592,825.78 = 238,577.42/x
3. Step 3: Cross multiply
   429,564.50x = 592,825.78 × 238,577.42
4. Step 4: Simplify right side
   429,564.50x = 141,434,845,101.89
5. Step 5: Solve for x
   x = 141,434,845,101.89/429,564.50
6. Step 6: Final answer
   x = 329,251.71