Finding the Fourth Proportional to 67,111.57, 100,661.59 and 31,564.54

Step by Step Solution

1. Step 1: Write the proportion equation
   67,111.57 : 100,661.59 = 31,564.54 : x
2. Step 2: Convert to fraction form
   67,111.57/100,661.59 = 31,564.54/x
3. Step 3: Cross multiply
   67,111.57x = 100,661.59 × 31,564.54
4. Step 4: Simplify right side
   67,111.57x = 3,177,336,784.02
5. Step 5: Solve for x
   x = 3,177,336,784.02/67,111.57
6. Step 6: Final answer
   x = 47,344.10