Finding the Fourth Proportional to 23,488.81, 32,414.55 and 12,878.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,488.81 : 32,414.55 = 12,878.22 : x
2. Step 2: Convert to fraction form
   23,488.81/32,414.55 = 12,878.22/x
3. Step 3: Cross multiply
   23,488.81x = 32,414.55 × 12,878.22
4. Step 4: Simplify right side
   23,488.81x = 417,441,706.10
5. Step 5: Solve for x
   x = 417,441,706.10/23,488.81
6. Step 6: Final answer
   x = 17,771.94