Finding the Fourth Proportional to 2,858,636.24, 4,287,043.98 and 939,101.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,858,636.24 : 4,287,043.98 = 939,101.89 : x
2. Step 2: Convert to fraction form
   2,858,636.24/4,287,043.98 = 939,101.89/x
3. Step 3: Cross multiply
   2,858,636.24x = 4,287,043.98 × 939,101.89
4. Step 4: Simplify right side
   2,858,636.24x = 4,025,971,082,695.90
5. Step 5: Solve for x
   x = 4,025,971,082,695.90/2,858,636.24
6. Step 6: Final answer
   x = 1,408,353.75