Finding the Fourth Proportional to 23,557.62, 32,478.06 and 20,185.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,557.62 : 32,478.06 = 20,185.98 : x
2. Step 2: Convert to fraction form
   23,557.62/32,478.06 = 20,185.98/x
3. Step 3: Cross multiply
   23,557.62x = 32,478.06 × 20,185.98
4. Step 4: Simplify right side
   23,557.62x = 655,601,469.60
5. Step 5: Solve for x
   x = 655,601,469.60/23,557.62
6. Step 6: Final answer
   x = 27,829.70