Finding the Fourth Proportional to 12,899,282.28, 19,351,722.78 and 3,923,601

Step by Step Solution

1. Step 1: Write the proportion equation
   12,899,282.28 : 19,351,722.78 = 3,923,601 : x
2. Step 2: Convert to fraction form
   12,899,282.28/19,351,722.78 = 3,923,601/x
3. Step 3: Cross multiply
   12,899,282.28x = 19,351,722.78 × 3,923,601
4. Step 4: Simplify right side
   12,899,282.28x = 75,928,438,851,330.78
5. Step 5: Solve for x
   x = 75,928,438,851,330.78/12,899,282.28
6. Step 6: Final answer
   x = 5,886,252.99