Finding the Fourth Proportional to 12,807,786.52, 17,674,884.91 and 7,006,443.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807,786.52 : 17,674,884.91 = 7,006,443.71 : x
2. Step 2: Convert to fraction form
   12,807,786.52/17,674,884.91 = 7,006,443.71/x
3. Step 3: Cross multiply
   12,807,786.52x = 17,674,884.91 × 7,006,443.71
4. Step 4: Simplify right side
   12,807,786.52x = 123,838,086,079,236.78
5. Step 5: Solve for x
   x = 123,838,086,079,236.78/12,807,786.52
6. Step 6: Final answer
   x = 9,668,968.63