Finding the Fourth Proportional to 16,277,648.10, 24,416,472.15 and 12,510,147.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,277,648.10 : 24,416,472.15 = 12,510,147.30 : x
2. Step 2: Convert to fraction form
   16,277,648.10/24,416,472.15 = 12,510,147.30/x
3. Step 3: Cross multiply
   16,277,648.10x = 24,416,472.15 × 12,510,147.30
4. Step 4: Simplify right side
   16,277,648.10x = 305,453,663,142,847.69
5. Step 5: Solve for x
   x = 305,453,663,142,847.69/16,277,648.10
6. Step 6: Final answer
   x = 18,765,220.95