Finding the Fourth Proportional to 70,271.42, 105,407.33 and 25,878.96

Step by Step Solution

1. Step 1: Write the proportion equation
   70,271.42 : 105,407.33 = 25,878.96 : x
2. Step 2: Convert to fraction form
   70,271.42/105,407.33 = 25,878.96/x
3. Step 3: Cross multiply
   70,271.42x = 105,407.33 × 25,878.96
4. Step 4: Simplify right side
   70,271.42x = 2,727,831,947.38
5. Step 5: Solve for x
   x = 2,727,831,947.38/70,271.42
6. Step 6: Final answer
   x = 38,818.51