Finding the Fourth Proportional to 51,296,440.69, 76,944,814.12 and 12,434,738.59

Step by Step Solution

1. Step 1: Write the proportion equation
   51,296,440.69 : 76,944,814.12 = 12,434,738.59 : x
2. Step 2: Convert to fraction form
   51,296,440.69/76,944,814.12 = 12,434,738.59/x
3. Step 3: Cross multiply
   51,296,440.69x = 76,944,814.12 × 12,434,738.59
4. Step 4: Simplify right side
   51,296,440.69x = 956,788,649,438,341
5. Step 5: Solve for x
   x = 956,788,649,438,341/51,296,440.69
6. Step 6: Final answer
   x = 18,652,144.99