Finding the Fourth Proportional to 20,117,092.32, 27,766,926.72 and 12,388,614.24

Step by Step Solution

1. Step 1: Write the proportion equation
   20,117,092.32 : 27,766,926.72 = 12,388,614.24 : x
2. Step 2: Convert to fraction form
   20,117,092.32/27,766,926.72 = 12,388,614.24/x
3. Step 3: Cross multiply
   20,117,092.32x = 27,766,926.72 × 12,388,614.24
4. Step 4: Simplify right side
   20,117,092.32x = 343,993,743,764,428.50
5. Step 5: Solve for x
   x = 343,993,743,764,428.50/20,117,092.32
6. Step 6: Final answer
   x = 17,099,575.74