Finding the Fourth Proportional to 28,914.89, 43,342.79 and 16,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,914.89 : 43,342.79 = 16,408.50 : x
2. Step 2: Convert to fraction form
   28,914.89/43,342.79 = 16,408.50/x
3. Step 3: Cross multiply
   28,914.89x = 43,342.79 × 16,408.50
4. Step 4: Simplify right side
   28,914.89x = 711,190,087.67
5. Step 5: Solve for x
   x = 711,190,087.67/28,914.89
6. Step 6: Final answer
   x = 24,595.99