Finding the Fourth Proportional to 2,580,999.39, 3,561,757.56 and 1,435,069.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580,999.39 : 3,561,757.56 = 1,435,069.71 : x
2. Step 2: Convert to fraction form
   2,580,999.39/3,561,757.56 = 1,435,069.71/x
3. Step 3: Cross multiply
   2,580,999.39x = 3,561,757.56 × 1,435,069.71
4. Step 4: Simplify right side
   2,580,999.39x = 5,111,370,388,719.51
5. Step 5: Solve for x
   x = 5,111,370,388,719.51/2,580,999.39
6. Step 6: Final answer
   x = 1,980,384.19