Finding the Fourth Proportional to 117,853.32, 162,448.74 and 79,600.88

Step by Step Solution

1. Step 1: Write the proportion equation
   117,853.32 : 162,448.74 = 79,600.88 : x
2. Step 2: Convert to fraction form
   117,853.32/162,448.74 = 79,600.88/x
3. Step 3: Cross multiply
   117,853.32x = 162,448.74 × 79,600.88
4. Step 4: Simplify right side
   117,853.32x = 12,931,062,658.89
5. Step 5: Solve for x
   x = 12,931,062,658.89/117,853.32
6. Step 6: Final answer
   x = 109,721.67