Finding the Fourth Proportional to 2,589,430.82, 3,573,627.24 and 1,428,104.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589,430.82 : 3,573,627.24 = 1,428,104.21 : x
2. Step 2: Convert to fraction form
   2,589,430.82/3,573,627.24 = 1,428,104.21/x
3. Step 3: Cross multiply
   2,589,430.82x = 3,573,627.24 × 1,428,104.21
4. Step 4: Simplify right side
   2,589,430.82x = 5,103,512,088,546.55
5. Step 5: Solve for x
   x = 5,103,512,088,546.55/2,589,430.82
6. Step 6: Final answer
   x = 1,970,901.12