Finding the Fourth Proportional to 83,667.04, 125,549.52 and 31,112.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,667.04 : 125,549.52 = 31,112.80 : x
2. Step 2: Convert to fraction form
   83,667.04/125,549.52 = 31,112.80/x
3. Step 3: Cross multiply
   83,667.04x = 125,549.52 × 31,112.80
4. Step 4: Simplify right side
   83,667.04x = 3,906,197,105.86
5. Step 5: Solve for x
   x = 3,906,197,105.86/83,667.04
6. Step 6: Final answer
   x = 46,687.41