Finding the Fourth Proportional to 34,589, 47,714.77 and 21,837.60

Step by Step Solution

1. Step 1: Write the proportion equation
   34,589 : 47,714.77 = 21,837.60 : x
2. Step 2: Convert to fraction form
   34,589/47,714.77 = 21,837.60/x
3. Step 3: Cross multiply
   34,589x = 47,714.77 × 21,837.60
4. Step 4: Simplify right side
   34,589x = 1,041,975,952.16
5. Step 5: Solve for x
   x = 1,041,975,952.16/34,589
6. Step 6: Final answer
   x = 30,124.49