Finding the Fourth Proportional to 22,916,465.94, 31,624,091.91 and 12,603,192.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,916,465.94 : 31,624,091.91 = 12,603,192.78 : x
2. Step 2: Convert to fraction form
   22,916,465.94/31,624,091.91 = 12,603,192.78/x
3. Step 3: Cross multiply
   22,916,465.94x = 31,624,091.91 × 12,603,192.78
4. Step 4: Simplify right side
   22,916,465.94x = 398,564,526,834,168.38
5. Step 5: Solve for x
   x = 398,564,526,834,168.38/22,916,465.94
6. Step 6: Final answer
   x = 17,392,058.96