Finding the Fourth Proportional to 19,978,863.09, 27,570,831.06 and 10,811,505.84

Step by Step Solution

1. Step 1: Write the proportion equation
   19,978,863.09 : 27,570,831.06 = 10,811,505.84 : x
2. Step 2: Convert to fraction form
   19,978,863.09/27,570,831.06 = 10,811,505.84/x
3. Step 3: Cross multiply
   19,978,863.09x = 27,570,831.06 × 10,811,505.84
4. Step 4: Simplify right side
   19,978,863.09x = 298,082,201,018,843.38
5. Step 5: Solve for x
   x = 298,082,201,018,843.38/19,978,863.09
6. Step 6: Final answer
   x = 14,919,878.06