Finding the Fourth Proportional to 461,653.89, 692,520.48 and 162,108.72

Step by Step Solution

1. Step 1: Write the proportion equation
   461,653.89 : 692,520.48 = 162,108.72 : x
2. Step 2: Convert to fraction form
   461,653.89/692,520.48 = 162,108.72/x
3. Step 3: Cross multiply
   461,653.89x = 692,520.48 × 162,108.72
4. Step 4: Simplify right side
   461,653.89x = 112,263,608,586.59
5. Step 5: Solve for x
   x = 112,263,608,586.59/461,653.89
6. Step 6: Final answer
   x = 243,177.00