Finding the Fourth Proportional to 23,522.78, 32,461.62 and 12,913.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,522.78 : 32,461.62 = 12,913.40 : x
2. Step 2: Convert to fraction form
   23,522.78/32,461.62 = 12,913.40/x
3. Step 3: Cross multiply
   23,522.78x = 32,461.62 × 12,913.40
4. Step 4: Simplify right side
   23,522.78x = 419,189,883.71
5. Step 5: Solve for x
   x = 419,189,883.71/23,522.78
6. Step 6: Final answer
   x = 17,820.59