Finding the Fourth Proportional to 429,298.50, 592,402.25 and 238,296.86

Step by Step Solution

1. Step 1: Write the proportion equation
   429,298.50 : 592,402.25 = 238,296.86 : x
2. Step 2: Convert to fraction form
   429,298.50/592,402.25 = 238,296.86/x
3. Step 3: Cross multiply
   429,298.50x = 592,402.25 × 238,296.86
4. Step 4: Simplify right side
   429,298.50x = 141,167,591,878.44
5. Step 5: Solve for x
   x = 141,167,591,878.44/429,298.50
6. Step 6: Final answer
   x = 328,833.18