Finding the Fourth Proportional to 67,143.25, 100,624.15 and 25,567.57

Step by Step Solution

1. Step 1: Write the proportion equation
   67,143.25 : 100,624.15 = 25,567.57 : x
2. Step 2: Convert to fraction form
   67,143.25/100,624.15 = 25,567.57/x
3. Step 3: Cross multiply
   67,143.25x = 100,624.15 × 25,567.57
4. Step 4: Simplify right side
   67,143.25x = 2,572,714,998.82
5. Step 5: Solve for x
   x = 2,572,714,998.82/67,143.25
6. Step 6: Final answer
   x = 38,316.81