Finding the Fourth Proportional to 23,513.51, 32,448.89 and 12,903.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,513.51 : 32,448.89 = 12,903.55 : x
2. Step 2: Convert to fraction form
   23,513.51/32,448.89 = 12,903.55/x
3. Step 3: Cross multiply
   23,513.51x = 32,448.89 × 12,903.55
4. Step 4: Simplify right side
   23,513.51x = 418,705,874.56
5. Step 5: Solve for x
   x = 418,705,874.56/23,513.51
6. Step 6: Final answer
   x = 17,807.03