Finding the Fourth Proportional to 12,401,676.12, 17,108,789.69 and 7,242,761.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401,676.12 : 17,108,789.69 = 7,242,761.82 : x
2. Step 2: Convert to fraction form
   12,401,676.12/17,108,789.69 = 7,242,761.82/x
3. Step 3: Cross multiply
   12,401,676.12x = 17,108,789.69 × 7,242,761.82
4. Step 4: Simplify right side
   12,401,676.12x = 123,914,888,652,769.86
5. Step 5: Solve for x
   x = 123,914,888,652,769.86/12,401,676.12
6. Step 6: Final answer
   x = 9,991,785.59