Finding the Fourth Proportional to 426,391,233.33, 588,409,061.50 and 238,220,940.63

Step by Step Solution

1. Step 1: Write the proportion equation
   426,391,233.33 : 588,409,061.50 = 238,220,940.63 : x
2. Step 2: Convert to fraction form
   426,391,233.33/588,409,061.50 = 238,220,940.63/x
3. Step 3: Cross multiply
   426,391,233.33x = 588,409,061.50 × 238,220,940.63
4. Step 4: Simplify right side
   426,391,233.33x = 140,171,360,108,249,824
5. Step 5: Solve for x
   x = 140,171,360,108,249,824/426,391,233.33
6. Step 6: Final answer
   x = 328,738,841.59