Finding the Fourth Proportional to 2,636,627.88, 3,638,644.42 and 1,490,639.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636,627.88 : 3,638,644.42 = 1,490,639.88 : x
2. Step 2: Convert to fraction form
   2,636,627.88/3,638,644.42 = 1,490,639.88/x
3. Step 3: Cross multiply
   2,636,627.88x = 3,638,644.42 × 1,490,639.88
4. Step 4: Simplify right side
   2,636,627.88x = 5,423,908,481,591.47
5. Step 5: Solve for x
   x = 5,423,908,481,591.47/2,636,627.88
6. Step 6: Final answer
   x = 2,057,138.41