Finding the Fourth Proportional to 112,330.86, 154,832.02 and 79,636.42

Step by Step Solution

1. Step 1: Write the proportion equation
   112,330.86 : 154,832.02 = 79,636.42 : x
2. Step 2: Convert to fraction form
   112,330.86/154,832.02 = 79,636.42/x
3. Step 3: Cross multiply
   112,330.86x = 154,832.02 × 79,636.42
4. Step 4: Simplify right side
   112,330.86x = 12,330,268,216.57
5. Step 5: Solve for x
   x = 12,330,268,216.57/112,330.86
6. Step 6: Final answer
   x = 109,767.42