Finding the Fourth Proportional to 23,005, 31,733.94 and 15,045.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,005 : 31,733.94 = 15,045.40 : x
2. Step 2: Convert to fraction form
   23,005/31,733.94 = 15,045.40/x
3. Step 3: Cross multiply
   23,005x = 31,733.94 × 15,045.40
4. Step 4: Simplify right side
   23,005x = 477,449,820.88
5. Step 5: Solve for x
   x = 477,449,820.88/23,005
6. Step 6: Final answer
   x = 20,754.18