Finding the Fourth Proportional to 28,085,443.10, 39,372,704.50 and 28,085,443.10

Step by Step Solution

1. Step 1: Write the proportion equation
   28,085,443.10 : 39,372,704.50 = 28,085,443.10 : x
2. Step 2: Convert to fraction form
   28,085,443.10/39,372,704.50 = 28,085,443.10/x
3. Step 3: Cross multiply
   28,085,443.10x = 39,372,704.50 × 28,085,443.10
4. Step 4: Simplify right side
   28,085,443.10x = 1,105,799,851,927,864
5. Step 5: Solve for x
   x = 1,105,799,851,927,864/28,085,443.10
6. Step 6: Final answer
   x = 39,372,704.50