Finding the Fourth Proportional to 2,046,243.71, 3,069,602.63 and 680,139.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046,243.71 : 3,069,602.63 = 680,139.56 : x
2. Step 2: Convert to fraction form
   2,046,243.71/3,069,602.63 = 680,139.56/x
3. Step 3: Cross multiply
   2,046,243.71x = 3,069,602.63 × 680,139.56
4. Step 4: Simplify right side
   2,046,243.71x = 2,087,758,182,143.04
5. Step 5: Solve for x
   x = 2,087,758,182,143.04/2,046,243.71
6. Step 6: Final answer
   x = 1,020,288.14