Finding the Fourth Proportional to 108,237.39, 162,178.59 and 76,492.40

Step by Step Solution

1. Step 1: Write the proportion equation
   108,237.39 : 162,178.59 = 76,492.40 : x
2. Step 2: Convert to fraction form
   108,237.39/162,178.59 = 76,492.40/x
3. Step 3: Cross multiply
   108,237.39x = 162,178.59 × 76,492.40
4. Step 4: Simplify right side
   108,237.39x = 12,405,429,577.72
5. Step 5: Solve for x
   x = 12,405,429,577.72/108,237.39
6. Step 6: Final answer
   x = 114,613.17