Finding the Fourth Proportional to 103,017.55, 154,530.43 and 31,947.56

Step by Step Solution

1. Step 1: Write the proportion equation
   103,017.55 : 154,530.43 = 31,947.56 : x
2. Step 2: Convert to fraction form
   103,017.55/154,530.43 = 31,947.56/x
3. Step 3: Cross multiply
   103,017.55x = 154,530.43 × 31,947.56
4. Step 4: Simplify right side
   103,017.55x = 4,936,870,960.16
5. Step 5: Solve for x
   x = 4,936,870,960.16/103,017.55
6. Step 6: Final answer
   x = 47,922.62