Finding the Fourth Proportional to 23,422.34, 32,322.84 and 12,811.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,422.34 : 32,322.84 = 12,811.88 : x
2. Step 2: Convert to fraction form
   23,422.34/32,322.84 = 12,811.88/x
3. Step 3: Cross multiply
   23,422.34x = 32,322.84 × 12,811.88
4. Step 4: Simplify right side
   23,422.34x = 414,116,347.34
5. Step 5: Solve for x
   x = 414,116,347.34/23,422.34
6. Step 6: Final answer
   x = 17,680.40