Finding the Fourth Proportional to 429,298.12, 592,401.72 and 238,296.47

Step by Step Solution

1. Step 1: Write the proportion equation
   429,298.12 : 592,401.72 = 238,296.47 : x
2. Step 2: Convert to fraction form
   429,298.12/592,401.72 = 238,296.47/x
3. Step 3: Cross multiply
   429,298.12x = 592,401.72 × 238,296.47
4. Step 4: Simplify right side
   429,298.12x = 141,167,241,072.54
5. Step 5: Solve for x
   x = 141,167,241,072.54/429,298.12
6. Step 6: Final answer
   x = 328,832.66