Finding the Fourth Proportional to 429,280.58, 592,377.57 and 238,278.94

Step by Step Solution

1. Step 1: Write the proportion equation
   429,280.58 : 592,377.57 = 238,278.94 : x
2. Step 2: Convert to fraction form
   429,280.58/592,377.57 = 238,278.94/x
3. Step 3: Cross multiply
   429,280.58x = 592,377.57 × 238,278.94
4. Step 4: Simplify right side
   429,280.58x = 141,151,097,978.43
5. Step 5: Solve for x
   x = 141,151,097,978.43/429,280.58
6. Step 6: Final answer
   x = 328,808.49