Finding the Fourth Proportional to 23,280.39, 32,127.61 and 12,670.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,280.39 : 32,127.61 = 12,670.69 : x
2. Step 2: Convert to fraction form
   23,280.39/32,127.61 = 12,670.69/x
3. Step 3: Cross multiply
   23,280.39x = 32,127.61 × 12,670.69
4. Step 4: Simplify right side
   23,280.39x = 407,078,986.75
5. Step 5: Solve for x
   x = 407,078,986.75/23,280.39
6. Step 6: Final answer
   x = 17,485.92