Finding the Fourth Proportional to 22,916,469.94, 31,624,097.43 and 12,603,196.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,916,469.94 : 31,624,097.43 = 12,603,196.78 : x
2. Step 2: Convert to fraction form
   22,916,469.94/31,624,097.43 = 12,603,196.78/x
3. Step 3: Cross multiply
   22,916,469.94x = 31,624,097.43 × 12,603,196.78
4. Step 4: Simplify right side
   22,916,469.94x = 398,564,722,900,182.25
5. Step 5: Solve for x
   x = 398,564,722,900,182.25/22,916,469.94
6. Step 6: Final answer
   x = 17,392,064.48