Finding the Fourth Proportional to 34,478.10, 51,742.89 and 25,613.91

Step by Step Solution

1. Step 1: Write the proportion equation
   34,478.10 : 51,742.89 = 25,613.91 : x
2. Step 2: Convert to fraction form
   34,478.10/51,742.89 = 25,613.91/x
3. Step 3: Cross multiply
   34,478.10x = 51,742.89 × 25,613.91
4. Step 4: Simplify right side
   34,478.10x = 1,325,337,727.60
5. Step 5: Solve for x
   x = 1,325,337,727.60/34,478.10
6. Step 6: Final answer
   x = 38,439.99