Finding the Fourth Proportional to 12,808,960.68, 17,676,062.28 and 7,007,789.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,808,960.68 : 17,676,062.28 = 7,007,789.82 : x
2. Step 2: Convert to fraction form
   12,808,960.68/17,676,062.28 = 7,007,789.82/x
3. Step 3: Cross multiply
   12,808,960.68x = 17,676,062.28 × 7,007,789.82
4. Step 4: Simplify right side
   12,808,960.68x = 123,870,129,303,470
5. Step 5: Solve for x
   x = 123,870,129,303,470/12,808,960.68
6. Step 6: Final answer
   x = 9,670,583.93