Finding the Fourth Proportional to 12,412,101.78, 17,121,567.82 and 7,757,809.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,412,101.78 : 17,121,567.82 = 7,757,809.37 : x
2. Step 2: Convert to fraction form
   12,412,101.78/17,121,567.82 = 7,757,809.37/x
3. Step 3: Cross multiply
   12,412,101.78x = 17,121,567.82 × 7,757,809.37
4. Step 4: Simplify right side
   12,412,101.78x = 132,825,859,263,086.48
5. Step 5: Solve for x
   x = 132,825,859,263,086.48/12,412,101.78
6. Step 6: Final answer
   x = 10,701,318.89