Finding the Fourth Proportional to 23,511.06, 32,445.18 and 12,900.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,511.06 : 32,445.18 = 12,900.42 : x
2. Step 2: Convert to fraction form
   23,511.06/32,445.18 = 12,900.42/x
3. Step 3: Cross multiply
   23,511.06x = 32,445.18 × 12,900.42
4. Step 4: Simplify right side
   23,511.06x = 418,556,448.98
5. Step 5: Solve for x
   x = 418,556,448.98/23,511.06
6. Step 6: Final answer
   x = 17,802.53