Finding the Fourth Proportional to 429,012.69, 592,037.58 and 238,025.61

Step by Step Solution

1. Step 1: Write the proportion equation
   429,012.69 : 592,037.58 = 238,025.61 : x
2. Step 2: Convert to fraction form
   429,012.69/592,037.58 = 238,025.61/x
3. Step 3: Cross multiply
   429,012.69x = 592,037.58 × 238,025.61
4. Step 4: Simplify right side
   429,012.69x = 140,920,106,122.42
5. Step 5: Solve for x
   x = 140,920,106,122.42/429,012.69
6. Step 6: Final answer
   x = 328,475.38