Finding the Fourth Proportional to 23,522.96, 32,462.40 and 12,913.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,522.96 : 32,462.40 = 12,913.28 : x
2. Step 2: Convert to fraction form
   23,522.96/32,462.40 = 12,913.28/x
3. Step 3: Cross multiply
   23,522.96x = 32,462.40 × 12,913.28
4. Step 4: Simplify right side
   23,522.96x = 419,196,060.67
5. Step 5: Solve for x
   x = 419,196,060.67/23,522.96
6. Step 6: Final answer
   x = 17,820.72