Finding the Fourth Proportional to 23,436.79, 32,357.87 and 20,914.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,436.79 : 32,357.87 = 20,914.57 : x
2. Step 2: Convert to fraction form
   23,436.79/32,357.87 = 20,914.57/x
3. Step 3: Cross multiply
   23,436.79x = 32,357.87 × 20,914.57
4. Step 4: Simplify right side
   23,436.79x = 676,750,951.47
5. Step 5: Solve for x
   x = 676,750,951.47/23,436.79
6. Step 6: Final answer
   x = 28,875.59