Finding the Fourth Proportional to 2,141,066.76, 3,211,602.57 and 721,003.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,066.76 : 3,211,602.57 = 721,003.92 : x
2. Step 2: Convert to fraction form
   2,141,066.76/3,211,602.57 = 721,003.92/x
3. Step 3: Cross multiply
   2,141,066.76x = 3,211,602.57 × 721,003.92
4. Step 4: Simplify right side
   2,141,066.76x = 2,315,578,042,452.07
5. Step 5: Solve for x
   x = 2,315,578,042,452.07/2,141,066.76
6. Step 6: Final answer
   x = 1,081,506.70