Finding the Fourth Proportional to 454,938.72, 682,495.52 and 174,434.10

Step by Step Solution

1. Step 1: Write the proportion equation
   454,938.72 : 682,495.52 = 174,434.10 : x
2. Step 2: Convert to fraction form
   454,938.72/682,495.52 = 174,434.10/x
3. Step 3: Cross multiply
   454,938.72x = 682,495.52 × 174,434.10
4. Step 4: Simplify right side
   454,938.72x = 119,050,488,372.75
5. Step 5: Solve for x
   x = 119,050,488,372.75/454,938.72
6. Step 6: Final answer
   x = 261,684.67