Finding the Fourth Proportional to 70,273.16, 105,423.86 and 25,900.16

Step by Step Solution

1. Step 1: Write the proportion equation
   70,273.16 : 105,423.86 = 25,900.16 : x
2. Step 2: Convert to fraction form
   70,273.16/105,423.86 = 25,900.16/x
3. Step 3: Cross multiply
   70,273.16x = 105,423.86 × 25,900.16
4. Step 4: Simplify right side
   70,273.16x = 2,730,494,841.82
5. Step 5: Solve for x
   x = 2,730,494,841.82/70,273.16
6. Step 6: Final answer
   x = 38,855.44