Finding the Fourth Proportional to 55,949.46, 83,781.63 and 54,287.34

Step by Step Solution

1. Step 1: Write the proportion equation
   55,949.46 : 83,781.63 = 54,287.34 : x
2. Step 2: Convert to fraction form
   55,949.46/83,781.63 = 54,287.34/x
3. Step 3: Cross multiply
   55,949.46x = 83,781.63 × 54,287.34
4. Step 4: Simplify right side
   55,949.46x = 4,548,281,833.56
5. Step 5: Solve for x
   x = 4,548,281,833.56/55,949.46
6. Step 6: Final answer
   x = 81,292.69