Finding the Fourth Proportional to 47,031.72, 64,905.34 and 25,812.14

Step by Step Solution

1. Step 1: Write the proportion equation
   47,031.72 : 64,905.34 = 25,812.14 : x
2. Step 2: Convert to fraction form
   47,031.72/64,905.34 = 25,812.14/x
3. Step 3: Cross multiply
   47,031.72x = 64,905.34 × 25,812.14
4. Step 4: Simplify right side
   47,031.72x = 1,675,345,722.83
5. Step 5: Solve for x
   x = 1,675,345,722.83/47,031.72
6. Step 6: Final answer
   x = 35,621.61