Finding the Fourth Proportional to 117,768.16, 162,492.32 and 79,598.88

Step by Step Solution

1. Step 1: Write the proportion equation
   117,768.16 : 162,492.32 = 79,598.88 : x
2. Step 2: Convert to fraction form
   117,768.16/162,492.32 = 79,598.88/x
3. Step 3: Cross multiply
   117,768.16x = 162,492.32 × 79,598.88
4. Step 4: Simplify right side
   117,768.16x = 12,934,206,680.60
5. Step 5: Solve for x
   x = 12,934,206,680.60/117,768.16
6. Step 6: Final answer
   x = 109,827.70