Finding the Fourth Proportional to 22,665,756.15, 31,274,913.94 and 12,741,316.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,665,756.15 : 31,274,913.94 = 12,741,316.86 : x
2. Step 2: Convert to fraction form
   22,665,756.15/31,274,913.94 = 12,741,316.86/x
3. Step 3: Cross multiply
   22,665,756.15x = 31,274,913.94 × 12,741,316.86
4. Step 4: Simplify right side
   22,665,756.15x = 398,483,588,278,771
5. Step 5: Solve for x
   x = 398,483,588,278,771/22,665,756.15
6. Step 6: Final answer
   x = 17,580,864.53