Finding the Fourth Proportional to 21,965,199.37, 30,301,723.25 and 13,820,928.01

Step by Step Solution

1. Step 1: Write the proportion equation
   21,965,199.37 : 30,301,723.25 = 13,820,928.01 : x
2. Step 2: Convert to fraction form
   21,965,199.37/30,301,723.25 = 13,820,928.01/x
3. Step 3: Cross multiply
   21,965,199.37x = 30,301,723.25 × 13,820,928.01
4. Step 4: Simplify right side
   21,965,199.37x = 418,797,935,524,162.81
5. Step 5: Solve for x
   x = 418,797,935,524,162.81/21,965,199.37
6. Step 6: Final answer
   x = 19,066,429.97