Finding the Fourth Proportional to 23,420.59, 32,321.18 and 12,810.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,420.59 : 32,321.18 = 12,810.22 : x
2. Step 2: Convert to fraction form
   23,420.59/32,321.18 = 12,810.22/x
3. Step 3: Cross multiply
   23,420.59x = 32,321.18 × 12,810.22
4. Step 4: Simplify right side
   23,420.59x = 414,041,362.41
5. Step 5: Solve for x
   x = 414,041,362.41/23,420.59
6. Step 6: Final answer
   x = 17,678.52