Finding the Fourth Proportional to 82,589, 123,888.18 and 23,420

Step by Step Solution

1. Step 1: Write the proportion equation
   82,589 : 123,888.18 = 23,420 : x
2. Step 2: Convert to fraction form
   82,589/123,888.18 = 23,420/x
3. Step 3: Cross multiply
   82,589x = 123,888.18 × 23,420
4. Step 4: Simplify right side
   82,589x = 2,901,461,175.60
5. Step 5: Solve for x
   x = 2,901,461,175.60/82,589
6. Step 6: Final answer
   x = 35,131.33