Finding the Fourth Proportional to 117,662.10, 162,377.27 and 72,366.69

Step by Step Solution

1. Step 1: Write the proportion equation
   117,662.10 : 162,377.27 = 72,366.69 : x
2. Step 2: Convert to fraction form
   117,662.10/162,377.27 = 72,366.69/x
3. Step 3: Cross multiply
   117,662.10x = 162,377.27 × 72,366.69
4. Step 4: Simplify right side
   117,662.10x = 11,750,705,561.14
5. Step 5: Solve for x
   x = 11,750,705,561.14/117,662.10
6. Step 6: Final answer
   x = 99,868.23