Finding the Fourth Proportional to 12,860,786.58, 17,747,662.76 and 6,980,294.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,860,786.58 : 17,747,662.76 = 6,980,294.59 : x
2. Step 2: Convert to fraction form
   12,860,786.58/17,747,662.76 = 6,980,294.59/x
3. Step 3: Cross multiply
   12,860,786.58x = 17,747,662.76 × 6,980,294.59
4. Step 4: Simplify right side
   12,860,786.58x = 123,883,914,277,484.89
5. Step 5: Solve for x
   x = 123,883,914,277,484.89/12,860,786.58
6. Step 6: Final answer
   x = 9,632,685.64