Finding the Fourth Proportional to 43,049.10, 64,670.86 and 25,530.42

Step by Step Solution

1. Step 1: Write the proportion equation
   43,049.10 : 64,670.86 = 25,530.42 : x
2. Step 2: Convert to fraction form
   43,049.10/64,670.86 = 25,530.42/x
3. Step 3: Cross multiply
   43,049.10x = 64,670.86 × 25,530.42
4. Step 4: Simplify right side
   43,049.10x = 1,651,074,217.56
5. Step 5: Solve for x
   x = 1,651,074,217.56/43,049.10
6. Step 6: Final answer
   x = 38,353.28