Finding the Fourth Proportional to 23,494.64, 32,422.74 and 12,884.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,494.64 : 32,422.74 = 12,884.30 : x
2. Step 2: Convert to fraction form
   23,494.64/32,422.74 = 12,884.30/x
3. Step 3: Cross multiply
   23,494.64x = 32,422.74 × 12,884.30
4. Step 4: Simplify right side
   23,494.64x = 417,744,308.98
5. Step 5: Solve for x
   x = 417,744,308.98/23,494.64
6. Step 6: Final answer
   x = 17,780.41