Finding the Fourth Proportional to 5,269,610.50, 7,272,067.35 and 2,855,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,269,610.50 : 7,272,067.35 = 2,855,162.50 : x
2. Step 2: Convert to fraction form
   5,269,610.50/7,272,067.35 = 2,855,162.50/x
3. Step 3: Cross multiply
   5,269,610.50x = 7,272,067.35 × 2,855,162.50
4. Step 4: Simplify right side
   5,269,610.50x = 20,762,933,995,194.38
5. Step 5: Solve for x
   x = 20,762,933,995,194.38/5,269,610.50
6. Step 6: Final answer
   x = 3,940,126.88