Finding the Fourth Proportional to 10,784.21, 16,277.58 and 10,784.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.21 : 16,277.58 = 10,784.21 : x
2. Step 2: Convert to fraction form
   10,784.21/16,277.58 = 10,784.21/x
3. Step 3: Cross multiply
   10,784.21x = 16,277.58 × 10,784.21
4. Step 4: Simplify right side
   10,784.21x = 175,540,759.62
5. Step 5: Solve for x
   x = 175,540,759.62/10,784.21
6. Step 6: Final answer
   x = 16,277.58