Finding the Fourth Proportional to 3,636,404.65, 5,018,236.74 and 2,087,766.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636,404.65 : 5,018,236.74 = 2,087,766.21 : x
2. Step 2: Convert to fraction form
   3,636,404.65/5,018,236.74 = 2,087,766.21/x
3. Step 3: Cross multiply
   3,636,404.65x = 5,018,236.74 × 2,087,766.21
4. Step 4: Simplify right side
   3,636,404.65x = 10,476,905,099,552.56
5. Step 5: Solve for x
   x = 10,476,905,099,552.56/3,636,404.65
6. Step 6: Final answer
   x = 2,881,116.41