Finding the Fourth Proportional to 23,276.55, 32,137.71 and 21,789.39

Step by Step Solution

1. Step 1: Write the proportion equation
   23,276.55 : 32,137.71 = 21,789.39 : x
2. Step 2: Convert to fraction form
   23,276.55/32,137.71 = 21,789.39/x
3. Step 3: Cross multiply
   23,276.55x = 32,137.71 × 21,789.39
4. Step 4: Simplify right side
   23,276.55x = 700,261,096.90
5. Step 5: Solve for x
   x = 700,261,096.90/23,276.55
6. Step 6: Final answer
   x = 30,084.40