Finding the Fourth Proportional to 125,581.56, 173,300.16 and 71,870.44

Step by Step Solution

1. Step 1: Write the proportion equation
   125,581.56 : 173,300.16 = 71,870.44 : x
2. Step 2: Convert to fraction form
   125,581.56/173,300.16 = 71,870.44/x
3. Step 3: Cross multiply
   125,581.56x = 173,300.16 × 71,870.44
4. Step 4: Simplify right side
   125,581.56x = 12,455,158,751.27
5. Step 5: Solve for x
   x = 12,455,158,751.27/125,581.56
6. Step 6: Final answer
   x = 99,179.84