Finding the Fourth Proportional to 2,543,510.31, 3,815,465.34 and 721,846.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543,510.31 : 3,815,465.34 = 721,846.31 : x
2. Step 2: Convert to fraction form
   2,543,510.31/3,815,465.34 = 721,846.31/x
3. Step 3: Cross multiply
   2,543,510.31x = 3,815,465.34 × 721,846.31
4. Step 4: Simplify right side
   2,543,510.31x = 2,754,179,564,881.91
5. Step 5: Solve for x
   x = 2,754,179,564,881.91/2,543,510.31
6. Step 6: Final answer
   x = 1,082,826.18