Finding the Fourth Proportional to 22,478,021.67, 31,019,669.53 and 12,164,744.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,478,021.67 : 31,019,669.53 = 12,164,744.77 : x
2. Step 2: Convert to fraction form
   22,478,021.67/31,019,669.53 = 12,164,744.77/x
3. Step 3: Cross multiply
   22,478,021.67x = 31,019,669.53 × 12,164,744.77
4. Step 4: Simplify right side
   22,478,021.67x = 377,346,362,642,661.50
5. Step 5: Solve for x
   x = 377,346,362,642,661.50/22,478,021.67
6. Step 6: Final answer
   x = 16,787,347.58