Finding the Fourth Proportional to 23,498.07, 32,428.04 and 12,888.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,498.07 : 32,428.04 = 12,888.42 : x
2. Step 2: Convert to fraction form
   23,498.07/32,428.04 = 12,888.42/x
3. Step 3: Cross multiply
   23,498.07x = 32,428.04 × 12,888.42
4. Step 4: Simplify right side
   23,498.07x = 417,946,199.30
5. Step 5: Solve for x
   x = 417,946,199.30/23,498.07
6. Step 6: Final answer
   x = 17,786.41