Finding the Fourth Proportional to 3,689,673.88, 5,091,876.12 and 2,140,818.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689,673.88 : 5,091,876.12 = 2,140,818.61 : x
2. Step 2: Convert to fraction form
   3,689,673.88/5,091,876.12 = 2,140,818.61/x
3. Step 3: Cross multiply
   3,689,673.88x = 5,091,876.12 × 2,140,818.61
4. Step 4: Simplify right side
   3,689,673.88x = 10,900,783,157,510.59
5. Step 5: Solve for x
   x = 10,900,783,157,510.59/3,689,673.88
6. Step 6: Final answer
   x = 2,954,402.89