Finding the Fourth Proportional to 415,654.28, 573,602.56 and 224,667.67

Step by Step Solution

1. Step 1: Write the proportion equation
   415,654.28 : 573,602.56 = 224,667.67 : x
2. Step 2: Convert to fraction form
   415,654.28/573,602.56 = 224,667.67/x
3. Step 3: Cross multiply
   415,654.28x = 573,602.56 × 224,667.67
4. Step 4: Simplify right side
   415,654.28x = 128,869,951,222.90
5. Step 5: Solve for x
   x = 128,869,951,222.90/415,654.28
6. Step 6: Final answer
   x = 310,041.20