Finding the Fourth Proportional to 2,071,045.91, 3,105,124.53 and 917,665.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071,045.91 : 3,105,124.53 = 917,665.18 : x
2. Step 2: Convert to fraction form
   2,071,045.91/3,105,124.53 = 917,665.18/x
3. Step 3: Cross multiply
   2,071,045.91x = 3,105,124.53 × 917,665.18
4. Step 4: Simplify right side
   2,071,045.91x = 2,849,464,660,744.87
5. Step 5: Solve for x
   x = 2,849,464,660,744.87/2,071,045.91
6. Step 6: Final answer
   x = 1,375,857.80