Finding the Fourth Proportional to 22,955,513.30, 31,678,222.98 and 12,643,195.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,955,513.30 : 31,678,222.98 = 12,643,195.94 : x
2. Step 2: Convert to fraction form
   22,955,513.30/31,678,222.98 = 12,643,195.94/x
3. Step 3: Cross multiply
   22,955,513.30x = 31,678,222.98 × 12,643,195.94
4. Step 4: Simplify right side
   22,955,513.30x = 400,513,980,167,150.69
5. Step 5: Solve for x
   x = 400,513,980,167,150.69/22,955,513.30
6. Step 6: Final answer
   x = 17,447,398.14