Finding the Fourth Proportional to 19,978,903.97, 27,570,887.53 and 10,811,546.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,978,903.97 : 27,570,887.53 = 10,811,546.72 : x
2. Step 2: Convert to fraction form
   19,978,903.97/27,570,887.53 = 10,811,546.72/x
3. Step 3: Cross multiply
   19,978,903.97x = 27,570,887.53 × 10,811,546.72
4. Step 4: Simplify right side
   19,978,903.97x = 298,083,938,580,967.94
5. Step 5: Solve for x
   x = 298,083,938,580,967.94/19,978,903.97
6. Step 6: Final answer
   x = 14,919,934.50