Finding the Fourth Proportional to 248,167.35, 372,215.89 and 79,665.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,167.35 : 372,215.89 = 79,665.50 : x
2. Step 2: Convert to fraction form
   248,167.35/372,215.89 = 79,665.50/x
3. Step 3: Cross multiply
   248,167.35x = 372,215.89 × 79,665.50
4. Step 4: Simplify right side
   248,167.35x = 29,652,762,924.55
5. Step 5: Solve for x
   x = 29,652,762,924.55/248,167.35
6. Step 6: Final answer
   x = 119,486.96