Finding the Fourth Proportional to 3,689,672.88, 5,091,874.74 and 2,140,817.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689,672.88 : 5,091,874.74 = 2,140,817.61 : x
2. Step 2: Convert to fraction form
   3,689,672.88/5,091,874.74 = 2,140,817.61/x
3. Step 3: Cross multiply
   3,689,672.88x = 5,091,874.74 × 2,140,817.61
4. Step 4: Simplify right side
   3,689,672.88x = 10,900,775,111,306.17
5. Step 5: Solve for x
   x = 10,900,775,111,306.17/3,689,672.88
6. Step 6: Final answer
   x = 2,954,401.51