Finding the Fourth Proportional to 248,111.60, 372,160.49 and 79,630.61

Step by Step Solution

1. Step 1: Write the proportion equation
   248,111.60 : 372,160.49 = 79,630.61 : x
2. Step 2: Convert to fraction form
   248,111.60/372,160.49 = 79,630.61/x
3. Step 3: Cross multiply
   248,111.60x = 372,160.49 × 79,630.61
4. Step 4: Simplify right side
   248,111.60x = 29,635,364,577.64
5. Step 5: Solve for x
   x = 29,635,364,577.64/248,111.60
6. Step 6: Final answer
   x = 119,443.69