Finding the Fourth Proportional to 176,431.59, 243,576.50 and 116,177.31

Step by Step Solution

1. Step 1: Write the proportion equation
   176,431.59 : 243,576.50 = 116,177.31 : x
2. Step 2: Convert to fraction form
   176,431.59/243,576.50 = 116,177.31/x
3. Step 3: Cross multiply
   176,431.59x = 243,576.50 × 116,177.31
4. Step 4: Simplify right side
   176,431.59x = 28,298,061,968.33
5. Step 5: Solve for x
   x = 28,298,061,968.33/176,431.59
6. Step 6: Final answer
   x = 160,391.13