Finding the Fourth Proportional to 19,978,913.59, 27,570,900.81 and 10,811,556.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,978,913.59 : 27,570,900.81 = 10,811,556.34 : x
2. Step 2: Convert to fraction form
   19,978,913.59/27,570,900.81 = 10,811,556.34/x
3. Step 3: Cross multiply
   19,978,913.59x = 27,570,900.81 × 10,811,556.34
4. Step 4: Simplify right side
   19,978,913.59x = 298,084,347,451,866.62
5. Step 5: Solve for x
   x = 298,084,347,451,866.62/19,978,913.59
6. Step 6: Final answer
   x = 14,919,947.78