Finding the Fourth Proportional to 12,606,522.88, 17,395,081.68 and 7,099,609.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,606,522.88 : 17,395,081.68 = 7,099,609.36 : x
2. Step 2: Convert to fraction form
   12,606,522.88/17,395,081.68 = 7,099,609.36/x
3. Step 3: Cross multiply
   12,606,522.88x = 17,395,081.68 × 7,099,609.36
4. Step 4: Simplify right side
   12,606,522.88x = 123,498,284,713,292.53
5. Step 5: Solve for x
   x = 123,498,284,713,292.53/12,606,522.88
6. Step 6: Final answer
   x = 9,796,379.69