Finding the Fourth Proportional to 2,574,609.72, 3,553,000.38 and 1,428,764.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574,609.72 : 3,553,000.38 = 1,428,764.28 : x
2. Step 2: Convert to fraction form
   2,574,609.72/3,553,000.38 = 1,428,764.28/x
3. Step 3: Cross multiply
   2,574,609.72x = 3,553,000.38 × 1,428,764.28
4. Step 4: Simplify right side
   2,574,609.72x = 5,076,400,029,770.43
5. Step 5: Solve for x
   x = 5,076,400,029,770.43/2,574,609.72
6. Step 6: Final answer
   x = 1,971,716.33