Finding the Fourth Proportional to 315,747.72, 473,213.34 and 236,238.12

Step by Step Solution

1. Step 1: Write the proportion equation
   315,747.72 : 473,213.34 = 236,238.12 : x
2. Step 2: Convert to fraction form
   315,747.72/473,213.34 = 236,238.12/x
3. Step 3: Cross multiply
   315,747.72x = 473,213.34 × 236,238.12
4. Step 4: Simplify right side
   315,747.72x = 111,791,029,800.52
5. Step 5: Solve for x
   x = 111,791,029,800.52/315,747.72
6. Step 6: Final answer
   x = 354,051.74