Finding the Fourth Proportional to 126,107.97, 189,112.72 and 55,052.34

Step by Step Solution

1. Step 1: Write the proportion equation
   126,107.97 : 189,112.72 = 55,052.34 : x
2. Step 2: Convert to fraction form
   126,107.97/189,112.72 = 55,052.34/x
3. Step 3: Cross multiply
   126,107.97x = 189,112.72 × 55,052.34
4. Step 4: Simplify right side
   126,107.97x = 10,411,097,759.76
5. Step 5: Solve for x
   x = 10,411,097,759.76/126,107.97
6. Step 6: Final answer
   x = 82,557.02