Finding the Fourth Proportional to 23,280.89, 32,126.63 and 12,670.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,280.89 : 32,126.63 = 12,670.56 : x
2. Step 2: Convert to fraction form
   23,280.89/32,126.63 = 12,670.56/x
3. Step 3: Cross multiply
   23,280.89x = 32,126.63 × 12,670.56
4. Step 4: Simplify right side
   23,280.89x = 407,062,329.66
5. Step 5: Solve for x
   x = 407,062,329.66/23,280.89
6. Step 6: Final answer
   x = 17,484.83