Finding the Fourth Proportional to 23,608.79, 35,401.89 and 13,750.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,608.79 : 35,401.89 = 13,750.88 : x
2. Step 2: Convert to fraction form
   23,608.79/35,401.89 = 13,750.88/x
3. Step 3: Cross multiply
   23,608.79x = 35,401.89 × 13,750.88
4. Step 4: Simplify right side
   23,608.79x = 486,807,141.16
5. Step 5: Solve for x
   x = 486,807,141.16/23,608.79
6. Step 6: Final answer
   x = 20,619.74