Finding the Fourth Proportional to 2,590,282.38, 3,574,615.76 and 1,428,778.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590,282.38 : 3,574,615.76 = 1,428,778.29 : x
2. Step 2: Convert to fraction form
   2,590,282.38/3,574,615.76 = 1,428,778.29/x
3. Step 3: Cross multiply
   2,590,282.38x = 3,574,615.76 × 1,428,778.29
4. Step 4: Simplify right side
   2,590,282.38x = 5,107,333,392,979.85
5. Step 5: Solve for x
   x = 5,107,333,392,979.85/2,590,282.38
6. Step 6: Final answer
   x = 1,971,728.42