Finding the Fourth Proportional to 84,667.27, 126,911.99 and 28,487.87

Step by Step Solution

1. Step 1: Write the proportion equation
   84,667.27 : 126,911.99 = 28,487.87 : x
2. Step 2: Convert to fraction form
   84,667.27/126,911.99 = 28,487.87/x
3. Step 3: Cross multiply
   84,667.27x = 126,911.99 × 28,487.87
4. Step 4: Simplify right side
   84,667.27x = 3,615,452,661.06
5. Step 5: Solve for x
   x = 3,615,452,661.06/84,667.27
6. Step 6: Final answer
   x = 42,701.89