Finding the Fourth Proportional to 368,587.94, 508,456.27 and 253,667.07

Step by Step Solution

1. Step 1: Write the proportion equation
   368,587.94 : 508,456.27 = 253,667.07 : x
2. Step 2: Convert to fraction form
   368,587.94/508,456.27 = 253,667.07/x
3. Step 3: Cross multiply
   368,587.94x = 508,456.27 × 253,667.07
4. Step 4: Simplify right side
   368,587.94x = 128,978,612,234.03
5. Step 5: Solve for x
   x = 128,978,612,234.03/368,587.94
6. Step 6: Final answer
   x = 349,926.30