Finding the Fourth Proportional to 2,141,733.09, 3,212,610.56 and 721,801.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,733.09 : 3,212,610.56 = 721,801.47 : x
2. Step 2: Convert to fraction form
   2,141,733.09/3,212,610.56 = 721,801.47/x
3. Step 3: Cross multiply
   2,141,733.09x = 3,212,610.56 × 721,801.47
4. Step 4: Simplify right side
   2,141,733.09x = 2,318,867,018,518.50
5. Step 5: Solve for x
   x = 2,318,867,018,518.50/2,141,733.09
6. Step 6: Final answer
   x = 1,082,705.89