Finding the Fourth Proportional to 461,650.89, 692,515.98 and 162,105.72

Step by Step Solution

1. Step 1: Write the proportion equation
   461,650.89 : 692,515.98 = 162,105.72 : x
2. Step 2: Convert to fraction form
   461,650.89/692,515.98 = 162,105.72/x
3. Step 3: Cross multiply
   461,650.89x = 692,515.98 × 162,105.72
4. Step 4: Simplify right side
   461,650.89x = 112,260,801,549.41
5. Step 5: Solve for x
   x = 112,260,801,549.41/461,650.89
6. Step 6: Final answer
   x = 243,172.50