Finding the Fourth Proportional to 2,920,809.94, 4,381,629.52 and 899,221.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,920,809.94 : 4,381,629.52 = 899,221.86 : x
2. Step 2: Convert to fraction form
   2,920,809.94/4,381,629.52 = 899,221.86/x
3. Step 3: Cross multiply
   2,920,809.94x = 4,381,629.52 × 899,221.86
4. Step 4: Simplify right side
   2,920,809.94x = 3,940,057,046,805.31
5. Step 5: Solve for x
   x = 3,940,057,046,805.31/2,920,809.94
6. Step 6: Final answer
   x = 1,348,960.43