Finding the Fourth Proportional to 426,546,390.96, 588,636,196.22 and 238,377,825.39

Step by Step Solution

1. Step 1: Write the proportion equation
   426,546,390.96 : 588,636,196.22 = 238,377,825.39 : x
2. Step 2: Convert to fraction form
   426,546,390.96/588,636,196.22 = 238,377,825.39/x
3. Step 3: Cross multiply
   426,546,390.96x = 588,636,196.22 × 238,377,825.39
4. Step 4: Simplify right side
   426,546,390.96x = 140,317,816,399,573,056
5. Step 5: Solve for x
   x = 140,317,816,399,573,056/426,546,390.96
6. Step 6: Final answer
   x = 328,962,615.49