Finding the Fourth Proportional to 10,915,704.10, 16,373,556.15 and 10,915,704.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,915,704.10 : 16,373,556.15 = 10,915,704.10 : x
2. Step 2: Convert to fraction form
   10,915,704.10/16,373,556.15 = 10,915,704.10/x
3. Step 3: Cross multiply
   10,915,704.10x = 16,373,556.15 × 10,915,704.10
4. Step 4: Simplify right side
   10,915,704.10x = 178,728,893,998,135.22
5. Step 5: Solve for x
   x = 178,728,893,998,135.22/10,915,704.10
6. Step 6: Final answer
   x = 16,373,556.15