Finding the Fourth Proportional to 429,005.59, 592,019.80 and 238,014.88

Step by Step Solution

1. Step 1: Write the proportion equation
   429,005.59 : 592,019.80 = 238,014.88 : x
2. Step 2: Convert to fraction form
   429,005.59/592,019.80 = 238,014.88/x
3. Step 3: Cross multiply
   429,005.59x = 592,019.80 × 238,014.88
4. Step 4: Simplify right side
   429,005.59x = 140,909,521,654.62
5. Step 5: Solve for x
   x = 140,909,521,654.62/429,005.59
6. Step 6: Final answer
   x = 328,456.14