Finding the Fourth Proportional to 117,557.82, 162,279.46 and 79,369.12

Step by Step Solution

1. Step 1: Write the proportion equation
   117,557.82 : 162,279.46 = 79,369.12 : x
2. Step 2: Convert to fraction form
   117,557.82/162,279.46 = 79,369.12/x
3. Step 3: Cross multiply
   117,557.82x = 162,279.46 × 79,369.12
4. Step 4: Simplify right side
   117,557.82x = 12,879,977,934.28
5. Step 5: Solve for x
   x = 12,879,977,934.28/117,557.82
6. Step 6: Final answer
   x = 109,562.92