Finding the Fourth Proportional to 23,315.50, 35,003.72 and 13,845.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,315.50 : 35,003.72 = 13,845.10 : x
2. Step 2: Convert to fraction form
   23,315.50/35,003.72 = 13,845.10/x
3. Step 3: Cross multiply
   23,315.50x = 35,003.72 × 13,845.10
4. Step 4: Simplify right side
   23,315.50x = 484,630,003.77
5. Step 5: Solve for x
   x = 484,630,003.77/23,315.50
6. Step 6: Final answer
   x = 20,785.74