Finding the Fourth Proportional to 415,940.27, 573,997.59 and 224,953.61

Step by Step Solution

1. Step 1: Write the proportion equation
   415,940.27 : 573,997.59 = 224,953.61 : x
2. Step 2: Convert to fraction form
   415,940.27/573,997.59 = 224,953.61/x
3. Step 3: Cross multiply
   415,940.27x = 573,997.59 × 224,953.61
4. Step 4: Simplify right side
   415,940.27x = 129,122,827,131.81
5. Step 5: Solve for x
   x = 129,122,827,131.81/415,940.27
6. Step 6: Final answer
   x = 310,435.99