Finding the Fourth Proportional to 162,405.72, 243,602.82 and 73,597.05

Step by Step Solution

1. Step 1: Write the proportion equation
   162,405.72 : 243,602.82 = 73,597.05 : x
2. Step 2: Convert to fraction form
   162,405.72/243,602.82 = 73,597.05/x
3. Step 3: Cross multiply
   162,405.72x = 243,602.82 × 73,597.05
4. Step 4: Simplify right side
   162,405.72x = 17,928,448,923.68
5. Step 5: Solve for x
   x = 17,928,448,923.68/162,405.72
6. Step 6: Final answer
   x = 110,392.96