Finding the Fourth Proportional to 8,243,687.20, 12,365,562.63 and 3,448,012.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,243,687.20 : 12,365,562.63 = 3,448,012.54 : x
2. Step 2: Convert to fraction form
   8,243,687.20/12,365,562.63 = 3,448,012.54/x
3. Step 3: Cross multiply
   8,243,687.20x = 12,365,562.63 × 3,448,012.54
4. Step 4: Simplify right side
   8,243,687.20x = 42,636,615,012,395.38
5. Step 5: Solve for x
   x = 42,636,615,012,395.38/8,243,687.20
6. Step 6: Final answer
   x = 5,172,032.12