Finding the Fourth Proportional to 23,662.16, 32,652.70 and 12,906.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,662.16 : 32,652.70 = 12,906.78 : x
2. Step 2: Convert to fraction form
   23,662.16/32,652.70 = 12,906.78/x
3. Step 3: Cross multiply
   23,662.16x = 32,652.70 × 12,906.78
4. Step 4: Simplify right side
   23,662.16x = 421,441,060.59
5. Step 5: Solve for x
   x = 421,441,060.59/23,662.16
6. Step 6: Final answer
   x = 17,810.76