Finding the Fourth Proportional to 28,300.96, 42,469.86 and 10,770.94

Step by Step Solution

1. Step 1: Write the proportion equation
   28,300.96 : 42,469.86 = 10,770.94 : x
2. Step 2: Convert to fraction form
   28,300.96/42,469.86 = 10,770.94/x
3. Step 3: Cross multiply
   28,300.96x = 42,469.86 × 10,770.94
4. Step 4: Simplify right side
   28,300.96x = 457,440,101.52
5. Step 5: Solve for x
   x = 457,440,101.52/28,300.96
6. Step 6: Final answer
   x = 16,163.42