Finding the Fourth Proportional to 22,470,054.55, 31,008,681.93 and 12,682,572.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,470,054.55 : 31,008,681.93 = 12,682,572.09 : x
2. Step 2: Convert to fraction form
   22,470,054.55/31,008,681.93 = 12,682,572.09/x
3. Step 3: Cross multiply
   22,470,054.55x = 31,008,681.93 × 12,682,572.09
4. Step 4: Simplify right side
   22,470,054.55x = 393,269,843,993,105.31
5. Step 5: Solve for x
   x = 393,269,843,993,105.31/22,470,054.55
6. Step 6: Final answer
   x = 17,501,953.24