Finding the Fourth Proportional to 380,659.37, 525,271.43 and 227,667.17

Step by Step Solution

1. Step 1: Write the proportion equation
   380,659.37 : 525,271.43 = 227,667.17 : x
2. Step 2: Convert to fraction form
   380,659.37/525,271.43 = 227,667.17/x
3. Step 3: Cross multiply
   380,659.37x = 525,271.43 × 227,667.17
4. Step 4: Simplify right side
   380,659.37x = 119,587,061,832.30
5. Step 5: Solve for x
   x = 119,587,061,832.30/380,659.37
6. Step 6: Final answer
   x = 314,157.68