Finding the Fourth Proportional to 764,730.72, 1,055,322 and 425,196

Step by Step Solution

1. Step 1: Write the proportion equation
   764,730.72 : 1,055,322 = 425,196 : x
2. Step 2: Convert to fraction form
   764,730.72/1,055,322 = 425,196/x
3. Step 3: Cross multiply
   764,730.72x = 1,055,322 × 425,196
4. Step 4: Simplify right side
   764,730.72x = 448,718,693,112
5. Step 5: Solve for x
   x = 448,718,693,112/764,730.72
6. Step 6: Final answer
   x = 586,766.93