Finding the Fourth Proportional to 566,709.98, 782,095.34 and 312,061.16

Step by Step Solution

1. Step 1: Write the proportion equation
   566,709.98 : 782,095.34 = 312,061.16 : x
2. Step 2: Convert to fraction form
   566,709.98/782,095.34 = 312,061.16/x
3. Step 3: Cross multiply
   566,709.98x = 782,095.34 × 312,061.16
4. Step 4: Simplify right side
   566,709.98x = 244,061,581,766.39
5. Step 5: Solve for x
   x = 244,061,581,766.39/566,709.98
6. Step 6: Final answer
   x = 430,663.99