Finding the Fourth Proportional to 23,384.43, 32,270.55 and 13,312.87

Step by Step Solution

1. Step 1: Write the proportion equation
   23,384.43 : 32,270.55 = 13,312.87 : x
2. Step 2: Convert to fraction form
   23,384.43/32,270.55 = 13,312.87/x
3. Step 3: Cross multiply
   23,384.43x = 32,270.55 × 13,312.87
4. Step 4: Simplify right side
   23,384.43x = 429,613,636.98
5. Step 5: Solve for x
   x = 429,613,636.98/23,384.43
6. Step 6: Final answer
   x = 18,371.78