Finding the Fourth Proportional to 315,762.17, 435,746.71 and 172,519.14

Step by Step Solution

1. Step 1: Write the proportion equation
   315,762.17 : 435,746.71 = 172,519.14 : x
2. Step 2: Convert to fraction form
   315,762.17/435,746.71 = 172,519.14/x
3. Step 3: Cross multiply
   315,762.17x = 435,746.71 × 172,519.14
4. Step 4: Simplify right side
   315,762.17x = 75,174,647,667.03
5. Step 5: Solve for x
   x = 75,174,647,667.03/315,762.17
6. Step 6: Final answer
   x = 238,073.64