Finding the Fourth Proportional to 23,280.18, 32,126.78 and 12,669.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,280.18 : 32,126.78 = 12,669.78 : x
2. Step 2: Convert to fraction form
   23,280.18/32,126.78 = 12,669.78/x
3. Step 3: Cross multiply
   23,280.18x = 32,126.78 × 12,669.78
4. Step 4: Simplify right side
   23,280.18x = 407,039,315.59
5. Step 5: Solve for x
   x = 407,039,315.59/23,280.18
6. Step 6: Final answer
   x = 17,484.37