Finding the Fourth Proportional to 22,245,849.10, 31,188,978.50 and 22,245,849.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,245,849.10 : 31,188,978.50 = 22,245,849.10 : x
2. Step 2: Convert to fraction form
   22,245,849.10/31,188,978.50 = 22,245,849.10/x
3. Step 3: Cross multiply
   22,245,849.10x = 31,188,978.50 × 22,245,849.10
4. Step 4: Simplify right side
   22,245,849.10x = 693,825,309,294,144.38
5. Step 5: Solve for x
   x = 693,825,309,294,144.38/22,245,849.10
6. Step 6: Final answer
   x = 31,188,978.50