Finding the Fourth Proportional to 2,071,011.82, 3,105,073.41 and 917,631.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071,011.82 : 3,105,073.41 = 917,631.07 : x
2. Step 2: Convert to fraction form
   2,071,011.82/3,105,073.41 = 917,631.07/x
3. Step 3: Cross multiply
   2,071,011.82x = 3,105,073.41 × 917,631.07
4. Step 4: Simplify right side
   2,071,011.82x = 2,849,311,815,533.33
5. Step 5: Solve for x
   x = 2,849,311,815,533.33/2,071,011.82
6. Step 6: Final answer
   x = 1,375,806.64