Finding the Fourth Proportional to 23,069.21, 31,835.50 and 12,458.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,069.21 : 31,835.50 = 12,458.84 : x
2. Step 2: Convert to fraction form
   23,069.21/31,835.50 = 12,458.84/x
3. Step 3: Cross multiply
   23,069.21x = 31,835.50 × 12,458.84
4. Step 4: Simplify right side
   23,069.21x = 396,633,338.53
5. Step 5: Solve for x
   x = 396,633,338.53/23,069.21
6. Step 6: Final answer
   x = 17,193.19