Finding the Fourth Proportional to 1,428,328.53, 2,141,365.46 and 708,173.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,328.53 : 2,141,365.46 = 708,173.69 : x
2. Step 2: Convert to fraction form
   1,428,328.53/2,141,365.46 = 708,173.69/x
3. Step 3: Cross multiply
   1,428,328.53x = 2,141,365.46 × 708,173.69
4. Step 4: Simplify right side
   1,428,328.53x = 1,516,458,665,199.05
5. Step 5: Solve for x
   x = 1,516,458,665,199.05/1,428,328.53
6. Step 6: Final answer
   x = 1,061,701.59