Finding the Fourth Proportional to 126,002.13, 189,004.61 and 53,945.34

Step by Step Solution

1. Step 1: Write the proportion equation
   126,002.13 : 189,004.61 = 53,945.34 : x
2. Step 2: Convert to fraction form
   126,002.13/189,004.61 = 53,945.34/x
3. Step 3: Cross multiply
   126,002.13x = 189,004.61 × 53,945.34
4. Step 4: Simplify right side
   126,002.13x = 10,195,917,948.02
5. Step 5: Solve for x
   x = 10,195,917,948.02/126,002.13
6. Step 6: Final answer
   x = 80,918.62