Finding the Fourth Proportional to 17,761,399.97, 26,643,053.69 and 5,631,809.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,761,399.97 : 26,643,053.69 = 5,631,809.31 : x
2. Step 2: Convert to fraction form
   17,761,399.97/26,643,053.69 = 5,631,809.31/x
3. Step 3: Cross multiply
   17,761,399.97x = 26,643,053.69 × 5,631,809.31
4. Step 4: Simplify right side
   17,761,399.97x = 150,048,597,811,132.06
5. Step 5: Solve for x
   x = 150,048,597,811,132.06/17,761,399.97
6. Step 6: Final answer
   x = 8,448,016.38