Finding the Fourth Proportional to 11,066,172.72, 15,266,106.37 and 7,197,282.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,066,172.72 : 15,266,106.37 = 7,197,282.24 : x
2. Step 2: Convert to fraction form
   11,066,172.72/15,266,106.37 = 7,197,282.24/x
3. Step 3: Cross multiply
   11,066,172.72x = 15,266,106.37 × 7,197,282.24
4. Step 4: Simplify right side
   11,066,172.72x = 109,874,476,250,751.86
5. Step 5: Solve for x
   x = 109,874,476,250,751.86/11,066,172.72
6. Step 6: Final answer
   x = 9,928,859.69