Finding the Fourth Proportional to 162,526.72, 243,090.24 and 144,641.92

Step by Step Solution

1. Step 1: Write the proportion equation
   162,526.72 : 243,090.24 = 144,641.92 : x
2. Step 2: Convert to fraction form
   162,526.72/243,090.24 = 144,641.92/x
3. Step 3: Cross multiply
   162,526.72x = 243,090.24 × 144,641.92
4. Step 4: Simplify right side
   162,526.72x = 35,161,039,046.86
5. Step 5: Solve for x
   x = 35,161,039,046.86/162,526.72
6. Step 6: Final answer
   x = 216,340.05