Finding the Fourth Proportional to 12,807,786.02, 17,674,884.21 and 7,006,443.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807,786.02 : 17,674,884.21 = 7,006,443.21 : x
2. Step 2: Convert to fraction form
   12,807,786.02/17,674,884.21 = 7,006,443.21/x
3. Step 3: Cross multiply
   12,807,786.02x = 17,674,884.21 × 7,006,443.21
4. Step 4: Simplify right side
   12,807,786.02x = 123,838,072,392,584.31
5. Step 5: Solve for x
   x = 123,838,072,392,584.31/12,807,786.02
6. Step 6: Final answer
   x = 9,668,967.94