Finding the Fourth Proportional to 525,356.42, 787,550.00 and 205,725.96

Step by Step Solution

1. Step 1: Write the proportion equation
   525,356.42 : 787,550.00 = 205,725.96 : x
2. Step 2: Convert to fraction form
   525,356.42/787,550.00 = 205,725.96/x
3. Step 3: Cross multiply
   525,356.42x = 787,550.00 × 205,725.96
4. Step 4: Simplify right side
   525,356.42x = 162,019,478,769.37
5. Step 5: Solve for x
   x = 162,019,478,769.37/525,356.42
6. Step 6: Final answer
   x = 308,399.16