Finding the Fourth Proportional to 2,061,216.45, 3,090,375.99 and 907,915.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061,216.45 : 3,090,375.99 = 907,915.68 : x
2. Step 2: Convert to fraction form
   2,061,216.45/3,090,375.99 = 907,915.68/x
3. Step 3: Cross multiply
   2,061,216.45x = 3,090,375.99 × 907,915.68
4. Step 4: Simplify right side
   2,061,216.45x = 2,805,800,818,416.52
5. Step 5: Solve for x
   x = 2,805,800,818,416.52/2,061,216.45
6. Step 6: Final answer
   x = 1,361,235.41