Finding the Fourth Proportional to 22,581,326.27, 31,155,364.82 and 12,790,214.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,581,326.27 : 31,155,364.82 = 12,790,214.75 : x
2. Step 2: Convert to fraction form
   22,581,326.27/31,155,364.82 = 12,790,214.75/x
3. Step 3: Cross multiply
   22,581,326.27x = 31,155,364.82 × 12,790,214.75
4. Step 4: Simplify right side
   22,581,326.27x = 398,483,806,662,395.12
5. Step 5: Solve for x
   x = 398,483,806,662,395.12/22,581,326.27
6. Step 6: Final answer
   x = 17,646,607.73