Finding the Fourth Proportional to 2,279,107.85, 3,418,667.56 and 931,270.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,107.85 : 3,418,667.56 = 931,270.46 : x
2. Step 2: Convert to fraction form
   2,279,107.85/3,418,667.56 = 931,270.46/x
3. Step 3: Cross multiply
   2,279,107.85x = 3,418,667.56 × 931,270.46
4. Step 4: Simplify right side
   2,279,107.85x = 3,183,704,094,094.94
5. Step 5: Solve for x
   x = 3,183,704,094,094.94/2,279,107.85
6. Step 6: Final answer
   x = 1,396,908.05