Finding the Fourth Proportional to 23,069.31, 31,829.06 and 12,994.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,069.31 : 31,829.06 = 12,994.25 : x
2. Step 2: Convert to fraction form
   23,069.31/31,829.06 = 12,994.25/x
3. Step 3: Cross multiply
   23,069.31x = 31,829.06 × 12,994.25
4. Step 4: Simplify right side
   23,069.31x = 413,594,538.79
5. Step 5: Solve for x
   x = 413,594,538.79/23,069.31
6. Step 6: Final answer
   x = 17,928.34