Finding the Fourth Proportional to 162,400.72, 243,595.32 and 73,592.05

Step by Step Solution

1. Step 1: Write the proportion equation
   162,400.72 : 243,595.32 = 73,592.05 : x
2. Step 2: Convert to fraction form
   162,400.72/243,595.32 = 73,592.05/x
3. Step 3: Cross multiply
   162,400.72x = 243,595.32 × 73,592.05
4. Step 4: Simplify right side
   162,400.72x = 17,926,678,969.21
5. Step 5: Solve for x
   x = 17,926,678,969.21/162,400.72
6. Step 6: Final answer
   x = 110,385.46