Finding the Fourth Proportional to 2,061,688.21, 3,093,737.90 and 863,510.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061,688.21 : 3,093,737.90 = 863,510.15 : x
2. Step 2: Convert to fraction form
   2,061,688.21/3,093,737.90 = 863,510.15/x
3. Step 3: Cross multiply
   2,061,688.21x = 3,093,737.90 × 863,510.15
4. Step 4: Simplify right side
   2,061,688.21x = 2,671,474,081,506.48
5. Step 5: Solve for x
   x = 2,671,474,081,506.48/2,061,688.21
6. Step 6: Final answer
   x = 1,295,770.17