Finding the Fourth Proportional to 23,526.24, 32,465.61 and 12,915.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,526.24 : 32,465.61 = 12,915.78 : x
2. Step 2: Convert to fraction form
   23,526.24/32,465.61 = 12,915.78/x
3. Step 3: Cross multiply
   23,526.24x = 32,465.61 × 12,915.78
4. Step 4: Simplify right side
   23,526.24x = 419,318,676.33
5. Step 5: Solve for x
   x = 419,318,676.33/23,526.24
6. Step 6: Final answer
   x = 17,823.45