Finding the Fourth Proportional to 129,404.91, 177,624.72 and 114,941.55

Step by Step Solution

1. Step 1: Write the proportion equation
   129,404.91 : 177,624.72 = 114,941.55 : x
2. Step 2: Convert to fraction form
   129,404.91/177,624.72 = 114,941.55/x
3. Step 3: Cross multiply
   129,404.91x = 177,624.72 × 114,941.55
4. Step 4: Simplify right side
   129,404.91x = 20,416,460,635.12
5. Step 5: Solve for x
   x = 20,416,460,635.12/129,404.91
6. Step 6: Final answer
   x = 157,771.92