Finding the Fourth Proportional to 162,150.69, 243,201.08 and 54,081.96

Step by Step Solution

1. Step 1: Write the proportion equation
   162,150.69 : 243,201.08 = 54,081.96 : x
2. Step 2: Convert to fraction form
   162,150.69/243,201.08 = 54,081.96/x
3. Step 3: Cross multiply
   162,150.69x = 243,201.08 × 54,081.96
4. Step 4: Simplify right side
   162,150.69x = 13,152,791,080.52
5. Step 5: Solve for x
   x = 13,152,791,080.52/162,150.69
6. Step 6: Final answer
   x = 81,114.62