Finding the Fourth Proportional to 2,912,018.94, 4,368,034.89 and 1,312,722.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912,018.94 : 4,368,034.89 = 1,312,722.78 : x
2. Step 2: Convert to fraction form
   2,912,018.94/4,368,034.89 = 1,312,722.78/x
3. Step 3: Cross multiply
   2,912,018.94x = 4,368,034.89 × 1,312,722.78
4. Step 4: Simplify right side
   2,912,018.94x = 5,734,018,903,937.79
5. Step 5: Solve for x
   x = 5,734,018,903,937.79/2,912,018.94
6. Step 6: Final answer
   x = 1,969,087.09