Finding the Fourth Proportional to 20,271,105.32, 27,974,116.42 and 10,978,675.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,271,105.32 : 27,974,116.42 = 10,978,675.88 : x
2. Step 2: Convert to fraction form
   20,271,105.32/27,974,116.42 = 10,978,675.88/x
3. Step 3: Cross multiply
   20,271,105.32x = 27,974,116.42 × 10,978,675.88
4. Step 4: Simplify right side
   20,271,105.32x = 307,118,757,204,566
5. Step 5: Solve for x
   x = 307,118,757,204,566/20,271,105.32
6. Step 6: Final answer
   x = 15,150,567.88