Finding the Fourth Proportional to 162,148.42, 243,197.67 and 54,079.69

Step by Step Solution

1. Step 1: Write the proportion equation
   162,148.42 : 243,197.67 = 54,079.69 : x
2. Step 2: Convert to fraction form
   162,148.42/243,197.67 = 54,079.69/x
3. Step 3: Cross multiply
   162,148.42x = 243,197.67 × 54,079.69
4. Step 4: Simplify right side
   162,148.42x = 13,152,053,994.33
5. Step 5: Solve for x
   x = 13,152,053,994.33/162,148.42
6. Step 6: Final answer
   x = 81,111.21