Finding the Fourth Proportional to 429,005.61, 592,027.82 and 238,018.55

Step by Step Solution

1. Step 1: Write the proportion equation
   429,005.61 : 592,027.82 = 238,018.55 : x
2. Step 2: Convert to fraction form
   429,005.61/592,027.82 = 238,018.55/x
3. Step 3: Cross multiply
   429,005.61x = 592,027.82 × 238,018.55
4. Step 4: Simplify right side
   429,005.61x = 140,913,599,125.83
5. Step 5: Solve for x
   x = 140,913,599,125.83/429,005.61
6. Step 6: Final answer
   x = 328,465.63