Finding the Fourth Proportional to 1,054,499.63, 1,582,019.17 and 306,545.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054,499.63 : 1,582,019.17 = 306,545.63 : x
2. Step 2: Convert to fraction form
   1,054,499.63/1,582,019.17 = 306,545.63/x
3. Step 3: Cross multiply
   1,054,499.63x = 1,582,019.17 × 306,545.63
4. Step 4: Simplify right side
   1,054,499.63x = 484,961,054,463.27
5. Step 5: Solve for x
   x = 484,961,054,463.27/1,054,499.63
6. Step 6: Final answer
   x = 459,896.85