Finding the Fourth Proportional to 1,308,826.99, 1,806,203.82 and 728,096.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308,826.99 : 1,806,203.82 = 728,096.50 : x
2. Step 2: Convert to fraction form
   1,308,826.99/1,806,203.82 = 728,096.50/x
3. Step 3: Cross multiply
   1,308,826.99x = 1,806,203.82 × 728,096.50
4. Step 4: Simplify right side
   1,308,826.99x = 1,315,090,679,628.63
5. Step 5: Solve for x
   x = 1,315,090,679,628.63/1,308,826.99
6. Step 6: Final answer
   x = 1,004,785.73