Finding the Fourth Proportional to 760,545.27, 1,049,552.69 and 421,013.52

Step by Step Solution

1. Step 1: Write the proportion equation
   760,545.27 : 1,049,552.69 = 421,013.52 : x
2. Step 2: Convert to fraction form
   760,545.27/1,049,552.69 = 421,013.52/x
3. Step 3: Cross multiply
   760,545.27x = 1,049,552.69 × 421,013.52
4. Step 4: Simplify right side
   760,545.27x = 441,875,870,337.30
5. Step 5: Solve for x
   x = 441,875,870,337.30/760,545.27
6. Step 6: Final answer
   x = 580,998.78