Finding the Fourth Proportional to 22,476,900.32, 31,018,199.68 and 12,163,620.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,476,900.32 : 31,018,199.68 = 12,163,620.72 : x
2. Step 2: Convert to fraction form
   22,476,900.32/31,018,199.68 = 12,163,620.72/x
3. Step 3: Cross multiply
   22,476,900.32x = 31,018,199.68 × 12,163,620.72
4. Step 4: Simplify right side
   22,476,900.32x = 377,293,616,324,745.38
5. Step 5: Solve for x
   x = 377,293,616,324,745.38/22,476,900.32
6. Step 6: Final answer
   x = 16,785,838.39