Finding the Fourth Proportional to 2,069,118.72, 3,103,969.32 and 721,087.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069,118.72 : 3,103,969.32 = 721,087.56 : x
2. Step 2: Convert to fraction form
   2,069,118.72/3,103,969.32 = 721,087.56/x
3. Step 3: Cross multiply
   2,069,118.72x = 3,103,969.32 × 721,087.56
4. Step 4: Simplify right side
   2,069,118.72x = 2,238,233,663,273.66
5. Step 5: Solve for x
   x = 2,238,233,663,273.66/2,069,118.72
6. Step 6: Final answer
   x = 1,081,732.84