Finding the Fourth Proportional to 12,765,340.82, 17,616,086.73 and 7,258,716.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,765,340.82 : 17,616,086.73 = 7,258,716.08 : x
2. Step 2: Convert to fraction form
   12,765,340.82/17,616,086.73 = 7,258,716.08/x
3. Step 3: Cross multiply
   12,765,340.82x = 17,616,086.73 × 7,258,716.08
4. Step 4: Simplify right side
   12,765,340.82x = 127,870,172,013,725.62
5. Step 5: Solve for x
   x = 127,870,172,013,725.62/12,765,340.82
6. Step 6: Final answer
   x = 10,016,980.65