Finding the Fourth Proportional to 461,722.80, 692,496.72 and 162,132.96

Step by Step Solution

1. Step 1: Write the proportion equation
   461,722.80 : 692,496.72 = 162,132.96 : x
2. Step 2: Convert to fraction form
   461,722.80/692,496.72 = 162,132.96/x
3. Step 3: Cross multiply
   461,722.80x = 692,496.72 × 162,132.96
4. Step 4: Simplify right side
   461,722.80x = 112,276,543,003.89
5. Step 5: Solve for x
   x = 112,276,543,003.89/461,722.80
6. Step 6: Final answer
   x = 243,168.72